PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A550Eyelet,metallic

Edwin B. Stimpson Company, Inc. Dba Stimpson · NSN 5325-01-551-4283 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-551-4283 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-551-4283. Primary manufacturer part number: A550.
Features
  • Eyelet,metallic — FSC 5325
  • Material: COPPER ALLOY OVERALL
  • Barrel Largest Outside Diameter: 0.375 INCHES NOMINAL IN
  • Barrel Outside Diameter: 0.275 INCHES NOMINAL IN
  • Barrel Height: 0.094 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Edwin B. Stimpson Company, Inc. Dba Stimpson
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Eyelet,metallic, cataloged under National Stock Number 5325-01-551-4283, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Edwin B. Stimpson Company, Inc. Dba Stimpson. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-551-4283
Primary Part NumberA550
Item NameEyelet,metallic
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerEdwin B. Stimpson Company, Inc. Dba Stimpson
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Barrel Largest Outside Diameter0.375 INCHES NOMINAL IN
Barrel Outside Diameter0.275 INCHES NOMINAL IN
Barrel Height0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2805-00-386-34296107385 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
5325-00-449-31651201-550-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
4320-01-142-9078A550 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
A550 PRIMARY Edwin B. Stimpson Company, Inc. Dba Stimpson (USA)
10085-1236 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
Related Parts
2805-00-386-3429INTERCHANGEABLE
VALVE,POPPET,ENGINE
6107385
5325-00-449-3165INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-550-Z3C
4320-01-142-9078INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A550

Frequently Asked Questions

What is NSN 5325-01-551-4283?

NSN 5325-01-551-4283 is a Eyelet,metallic, manufactured by Edwin B. Stimpson Company, Inc. Dba Stimpson, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-551-4283?

NSN 5325-01-551-4283 has 2 cross-referenced part numbers: A550 (Edwin B. Stimpson Company, Inc. Dba Stimpson), 10085-1236 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).

What NSN replaces 5325-01-551-4283?

There are 3 known substitutes for 5325-01-551-4283: 2805-00-386-3429, 5325-00-449-3165, 4320-01-142-9078. Verify interchangeability with system specifications before substitution.

What are the specifications of A550?

Key specifications for A550: Material: COPPER ALLOY OVERALL; Barrel Largest Outside Diameter: 0.375 INCHES NOMINAL IN; Barrel Outside Diameter: 0.275 INCHES NOMINAL IN; End Item Identification: RF-5051 AND RF-5054/SSK. 5 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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