PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3-31Pin,straight,headless

Roller Bearing Co of America, Inc Div Pic Design · NSN 5315-00-721-8382 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-721-8382 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-721-8382. Primary manufacturer part number: A3-31.
Features
  • Pin,straight,headless — FSC 5315
  • First End Taper Length: 0.030 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
  • Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Second End Relationship with First End: IDENTICAL
  • First End Style: CHAMFERED
  • First End Taper Angle: 45.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303s or Steel Comp 303SE or Steel Comp 316 Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-00-721-8382, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-721-8382
Primary Part NumberA3-31
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
First End Taper Length0.030 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
Surface Treatment Document and ClassificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Second End Relationship with First EndIDENTICAL
First End StyleCHAMFERED
First End Taper Angle45.0 DEGREES NOMINAL
Pin Overall Diameter0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
Pin Overall Length3.110 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-266-0535SAE J512 5-2 010102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5935-00-406-61418004270G1 INTERCHANGEABLE
Retainer,electrical Connector
L3harris Technologies, Inc. Dba Harris Corporation
4810-00-453-7205A331 INTERCHANGEABLE
Seat,valve
Fisher Controls Co Inc
6240-00-469-7986A331 INTERCHANGEABLE
Lamp,glow
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6130-00-500-3080 INTERCHANGEABLE
Rectifier Assembly,metallic
3120-00-661-7323A331 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
9390-01-021-2223 INTERCHANGEABLE
Tape,reflective
4030-01-115-3367 INTERCHANGEABLE
Hook,hoist
5910-01-435-7748908-276-0001 INTERCHANGEABLE
Capacitor Assembly
Northrop Grumman Systems Corporation
5340-01-536-5477A-331 INTERCHANGEABLE
Plug,vent
Dwyer Instruments Inc
Cross-Reference Index
Part NumberManufacturer
A3-31 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
13-660-00-294 Northrop Grumman Systems Corporation (USA)
Related Parts
4730-00-266-0535INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 5-2 010102B
5935-00-406-6141INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
8004270G1
4810-00-453-7205INTERCHANGEABLE
SEAT,VALVE
A331
6240-00-469-7986INTERCHANGEABLE
LAMP,GLOW
A331
6130-00-500-3080INTERCHANGEABLE
RECTIFIER ASSEMBLY,METALLIC
3120-00-661-7323INTERCHANGEABLE
BEARING,SLEEVE
A331
9390-01-021-2223INTERCHANGEABLE
TAPE,REFLECTIVE
4030-01-115-3367INTERCHANGEABLE
HOOK,HOIST
5910-01-435-7748INTERCHANGEABLE
CAPACITOR ASSEMBLY
908-276-0001
5340-01-536-5477INTERCHANGEABLE
PLUG,VENT
A-331

Frequently Asked Questions

What is NSN 5315-00-721-8382?

NSN 5315-00-721-8382 is a Pin,straight,headless, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-721-8382?

NSN 5315-00-721-8382 has 2 cross-referenced part numbers: A3-31 (Roller Bearing Co of America, Inc Div Pic Design), 13-660-00-294 (Northrop Grumman Systems Corporation).

What NSN replaces 5315-00-721-8382?

There are 10 known substitutes for 5315-00-721-8382: 4730-00-266-0535, 5935-00-406-6141, 4810-00-453-7205 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3-31?

Key specifications for A3-31: First End Taper Length: 0.030 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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