RA16941

Flat Washer

This page provides complete and verified information for part number RA16941, NSN 5310-01-203-5187

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

RA16941
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-203-5187
Item Name Code
13393
Assigment Date
03/15/1985 (41 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

5310-01-203-5187, flat washer

Classification Data

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

Type of Item Identification
2 - Reference item identification
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.
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0013393
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.

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
194160
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
55210
National Motor Freight Class Rating
U - 50.0
Water Commodity
713 - Metal hardware
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
washer or gaskets, iron or steel,

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for RA16941

What is the FSCG of the NSN 5310-01-203-5187?
The FSCG of the NSN 5310-01-203-5187 is 5310
Does NSN 5310-01-203-5187 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 5310-01-203-5187 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-203-5187 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 5310-01-203-5187 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Fri, Mar 15, 1985

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

Ready to Ship

This item is in stock and ready to ship. Available units may vary in condition (new, surplus, refurbished) and are stored across multiple verified facilities. Request a quote to confirm quantity and lead time.

New Surplus 5
New Material 5
Total 10
Availability of this item was last updated on: 04/08/2026 03:04 AM EDT. Stock levels and pricing are subject to change.
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:

12617747
5995-01-702-1376
Wiring Harness
12617749
5995-01-702-1558
Wiring Harness
12617750
5995-01-702-1556
Wiring Harness
12617751
5340-01-701-9769
Mounting Bracket
12617752
5340-01-701-9738
Access Cover
12617753
4720-01-702-1644
Nonmetallic Hose Assembly
12617754
4720-01-702-1645
Nonmetallic Hose Assembly
12617755
2540-01-701-9781
Small Arms-Fr Supplemental Armor
12617756
2590-01-702-1902
Vehicular Components Bracket
12617757
2590-01-702-1903
Vehicular Components Bracket
12617763
5340-01-701-9792
Mounting Bracket
12617764
5930-01-702-0161
Rotary Switch
12617765
2590-01-702-0363
Vehicular Components Bracket
12617766
2540-01-702-1358
Vehicular Foot Rest
12617768
2540-01-702-0646
Vehicular Foot Rest