PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N03Fastener

Simmons Fastener Corp an Amfast Corp · NSN 5342-00-797-9955 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-797-9955 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-797-9955. Primary manufacturer part number: N03.
Features
  • Fastener — FSC 5342
  • Reference Number Differentiating Characteristics: FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 910438
  • 2 verified cross-references
  • Primary manufacturer: Simmons Fastener Corp an Amfast Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Fastener, cataloged under National Stock Number 5342-00-797-9955, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Simmons Fastener Corp an Amfast Corp. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-797-9955
Primary Part NumberN03
Item NameFastener
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerSimmons Fastener Corp an Amfast Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsFLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 910438
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-125-3568N03 INTERCHANGEABLE
Clamp,hose
Jubilee Components Ltd
5325-00-165-1825 INTERCHANGEABLE
Ring,retaining
5310-00-185-6484 INTERCHANGEABLE
Nut,plain,round
8125-00-194-1126 INTERCHANGEABLE
Stopper,bottle
5310-00-275-1726N03 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell Intl Inc Defense Avionics Systems
3411-00-410-2113N03 INTERCHANGEABLE
Boring Machine,jig,vertical
Moore Tool Company, Inc.
Cross-Reference Index
Part NumberManufacturer
N03 Simmons Fastener Corp an Amfast Corp (USA)
5340007979955 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
4730-00-125-3568INTERCHANGEABLE
CLAMP,HOSE
N03
5325-00-165-1825INTERCHANGEABLE
RING,RETAINING
5310-00-185-6484INTERCHANGEABLE
NUT,PLAIN,ROUND
8125-00-194-1126INTERCHANGEABLE
STOPPER,BOTTLE
5310-00-275-1726INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N03
3411-00-410-2113INTERCHANGEABLE
BORING MACHINE,JIG,VERTICAL
N03

Frequently Asked Questions

What is NSN 5342-00-797-9955?

NSN 5342-00-797-9955 is a Fastener, manufactured by Simmons Fastener Corp an Amfast Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-797-9955?

NSN 5342-00-797-9955 has 2 cross-referenced part numbers: N03 (Simmons Fastener Corp an Amfast Corp), 5340007979955 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5342-00-797-9955?

There are 6 known substitutes for 5342-00-797-9955: 4730-00-125-3568, 5325-00-165-1825, 5310-00-185-6484 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N03?

Key specifications for N03: Reference Number Differentiating Characteristics: FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 910438. 1 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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