PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21541Retainer,helical Compression Spr

Barksdale, Inc · NSN 5340-01-013-3936 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-013-3936 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-013-3936. Primary manufacturer part number: 21541.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • Body Outside Diameter: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • End Hole Diameter: 0.219 INCHES NOMINAL IN
  • Material: STEEL COMP 1212
  • Flange Diameter: 0.437 INCHES NOMINAL IN
  • Material Document and Classification: AISI 1112 ASSN STD SINGLE MATERIAL RESPONSE
  • Style Designator: PARALLEL
  • Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
Applications
  • Applications requiring Steel Comp 1212 construction
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-013-3936, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barksdale, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-013-3936
Primary Part Number21541
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBarksdale, Inc
StatusACTIVE
Body Outside Diameter0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
End Hole Diameter0.219 INCHES NOMINAL IN
MaterialSTEEL COMP 1212
Flange Diameter0.437 INCHES NOMINAL IN
Material Document and ClassificationAISI 1112 ASSN STD SINGLE MATERIAL RESPONSE
Style DesignatorPARALLEL
Surface Treatment Document and ClassificationQQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentCADMIUM AND CHROMATE
Flange Thickness0.062 INCHES NOMINAL IN
Casehardening IndicatorCASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
6210-00-137-2448L21581 INTERCHANGEABLE
Fixture,lighting
Swivelier Company Inc Dba Point Electric Div
1660-00-192-02862154-1 INTERCHANGEABLE
Body Assy,lower
Mission Systems Orchard Park Inc
2910-00-361-277121541 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
4920-00-472-513221541 INTERCHANGEABLE
Capsule,altitude
Elbitamerica, Inc.
2805-00-536-8464 INTERCHANGEABLE
Sleeve,rocker Arm S
5910-00-811-4562 INTERCHANGEABLE
Capacitor,variable,air Dielectri
6130-01-095-815121541 INTERCHANGEABLE
Power Supply Subassembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5310-01-191-7119 INTERCHANGEABLE
Nut,assy.
5905-01-335-4341 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Cross-Reference Index
Part NumberManufacturer
21541 PRIMARY Barksdale, Inc (USA)
Related Parts
6210-00-137-2448INTERCHANGEABLE
FIXTURE,LIGHTING
L21581
1660-00-192-0286INTERCHANGEABLE
BODY ASSY,LOWER
2154-1
2910-00-361-2771INTERCHANGEABLE
FILTER ELEMENT,FLUID
21541
4920-00-472-5132INTERCHANGEABLE
CAPSULE,ALTITUDE
21541
2805-00-536-8464INTERCHANGEABLE
SLEEVE,ROCKER ARM S
5910-00-811-4562INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6130-01-095-8151INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
21541
5310-01-191-7119INTERCHANGEABLE
NUT,ASSY.
5905-01-335-4341INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON

Frequently Asked Questions

What is NSN 5340-01-013-3936?

NSN 5340-01-013-3936 is a Retainer,helical Compression Spr, manufactured by Barksdale, Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-013-3936?

NSN 5340-01-013-3936 has 1 cross-referenced part number: 21541 (Barksdale, Inc).

What NSN replaces 5340-01-013-3936?

There are 9 known substitutes for 5340-01-013-3936: 6210-00-137-2448, 1660-00-192-0286, 2910-00-361-2771 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21541?

Key specifications for 21541: Body Outside Diameter: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; End Hole Diameter: 0.219 INCHES NOMINAL IN; Material: STEEL COMP 1212; Overall Height: 0.125 INCHES NOMINAL IN. 11 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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