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C7984B3-9

Close Tolerance Screw

This page provides complete and verified information for part number C7984B3-9, NSN 5305-01-297-4084

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.

C7984B3-9
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-297-4084
Item Name Code
29294
Assigment Date
04/03/1989 (37 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

flat countersunk head style, 0.870 inches minimum and 0.900 inches maximum fastener length, right-hand thread direction, 0.298 inches minimum and 0.348 inches maximum thread length, 3a thread class

Characteristics

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

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.298 inches minimum and 0.348 inches maximum
Fastener Length
0.870 inches minimum and 0.900 inches maximum
Head Style
flat countersunk
Head Diameter
0.325 inches minimum and 0.385 inches maximum
Grip Diameter
0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.190 inches
Grip Length
0.552 inches minimum and 0.572 inches maximum
Features Provided
dry film lubricant
Thread Quantity Per Inch
32
Minimum Tensile Strength
220000 pounds per square inch
Hardness Rating
46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Material
steel comp h11 overall
Material Document And Classification
ams 6487 assn std single material response overall
Surface Treatment
aluminum and chromate overall
Surface Treatment Document And Classification
mil-c-83488 ty 2 cl 3 mil spec single treatment response overall
Thread Series Designator
unjf

Classification Data

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

Type of Item Identification
1 - Full descriptive 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.
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
A003B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0029294
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
7318152000

Freight Information

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

Major Organizational Entity
KH
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
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
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for C7984B3-9

What is the FSCG of the NSN 5305-01-297-4084?
The FSCG of the NSN 5305-01-297-4084 is 5305
Does the NSN 5305-01-297-4084 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-297-4084 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 5305-01-297-4084 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-297-4084 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 5305-01-297-4084 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Mon, Apr 3, 1989

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