1. Home /
  2. Catalog /
  3. O-Ring /
  4. 5331-01-004-6991

5331-01-004-6991

O-Ring

Find complete technical information, availability, and procurement data for NSN 5331-01-004-6991 All details are based on official government and industry records to support accurate and compliant procurement.

5331-01-004-6991
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-01-004-6991
Item Name Code
47946
Assigment Date
05/29/1975 (51 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.139 inches nominal cross-sectional height, rubber butadiene-acrylonitrile class nbr material

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Cross-Sectional Height
0.139 inches nominal
Material
rubber butadiene-acrylonitrile class nbr

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A510X0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0047946
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
4016930000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
KZ
National Motor Freight Classification Item Number
194120
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
95100
National Motor Freight Class Rating
W - Rating variable
Water Commodity
596 - Gaskets, (machinery and parts),(less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
washers/gaskets/pckg dvcs noi

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5331-01-004-6991

What is the FSCG of the NSN 5331-01-004-6991?
The FSCG of the NSN 5331-01-004-6991 is 5331
Does the NSN 5331-01-004-6991 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-01-004-6991 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5331-01-004-6991 contain precious materials?
Precious metal content is unknown
Does NSN 5331-01-004-6991 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5331-01-004-6991 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, May 29, 1975

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

293BC900013-3
3040-00-015-0467
Rigid Connecting Link
293BC900017-1
1430-00-966-6739
Control Uni Housing
293BC900019-1
1430-00-966-6740
C Collar and Flange
293BC900020-1
5355-00-071-8736
Knob
293BC900023-019
1430-00-691-2439
Selector Control
293BC900023-9
1430-00-959-1690
Selector Control
293BC900030-9
3040-00-015-0467
Rigid Connecting Link
293BL000023
5340-00-908-3231
Angle Bracket
293BLACK
5935-00-069-7058
Tip Plug
293C57
5945-00-657-2226
Actuator
293C57PCALL
5945-00-657-2226
Actuator
293C6049007-49
4710-00-943-7234
Metal Tube Assembly
293C6060008
5342-00-908-3226
Roller
293C6060013-1
1420-00-908-3243
Control Piston
293C6060013-3
1420-00-908-3244
Control Piston