PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42557Retainer,helical Compression Spr

Woodward Hrt Inc · NSN 5340-00-975-7132 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-975-7132 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-975-7132. Primary manufacturer part number: 42557.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Hrt Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-975-7132, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Hrt Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameRetainer,helical Compression Spr
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersWoodward Hrt Inc (CAGE 81873)
Technical Specifications
ParameterValue
NSN5340-00-975-7132
Primary Part Number42557
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
4920-00-838-6315 INTERCHANGEABLE
Matrix Module Assy
4820-01-227-496142557 INTERCHANGEABLE
Guide,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-01-256-022111568074 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
42557 PRIMARY Woodward Hrt Inc (USA)
Related Parts
4920-00-838-6315INTERCHANGEABLE
MATRIX MODULE ASSY
4820-01-227-4961INTERCHANGEABLE
GUIDE,HELICAL COMPRESSION SPRING
42557
5950-01-256-0221INTERCHANGEABLE
TRANSFORMER,POWER
11568074

Frequently Asked Questions

What is NSN 5340-00-975-7132?

NSN 5340-00-975-7132 is a Retainer,helical Compression Spr, manufactured by Woodward Hrt Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-975-7132?

NSN 5340-00-975-7132 has 1 cross-referenced part number: 42557 (Woodward Hrt Inc).

What NSN replaces 5340-00-975-7132?

There are 3 known substitutes for 5340-00-975-7132: 4920-00-838-6315, 4820-01-227-4961, 5950-01-256-0221. Verify interchangeability with system specifications before substitution.

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