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53974 — COVER,STRAINER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

53974: COVER,STRAINER.

The COVER,STRAINER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STAINLESS STEEL;11.500 IN. OD;8.000 IN.

ID;0.325 IN. THK IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-524-0139, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
53974
NSN: 5360-00-524-0139
NIINs: 005240139, 007172810, 011540504
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL;11.500 IN. OD;8.000 IN. ID;0.325 IN. THK IN
NSN5360-00-524-0139
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,STRAINER TITLE COMPONENT PN 53974 MFR COVER,STRAINER
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.218 INCHES NOMINAL IN
•
LOAD RATING: 5.375 POUNDS NOMINAL LBS
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.563 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.156 INCHES NOMINAL IN
•
SPRING LENGTH UNDER LOAD: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.218 INCHES NOMINAL IN
LOAD RATING5.375 POUNDS NOMINAL LBS
END STYLESHORT TWISTED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.563 INCHES NOMINAL IN
INSIDE DIAMETER0.156 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD0.625 INCHES NOMINAL IN
COIL QUANTITY5-3/4
SURFACE TREATMENTTIN OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
SMB171538Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 53974?
53974 is a COVER,STRAINER.
What parts can replace 53974?
There is 1 known substitute for 53974: SMB171538. Substitute compatibility should be verified for your specific system.
What is the NSN for 53974?
53974 is cataloged in the U.S. Government catalog under NSN 5360-00-524-0139. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.