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Technical Data Sheet
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679139 — CUSHION ASSEMBLY,GU

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

679139: CUSHION ASSEMBLY,GU.

The CUSHION ASSEMBLY,GU is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5360-00-291-5446, 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
679139
NSN: 5360-00-291-5446
NIINs: 002915446, 011363609
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 81782 — ALMON JOHNSON LTD (USA)
SPECIFICATIONS
general_characteristics_item_description1.000 IN. THK RUBBER SHEET; SYNT HETIC TYPE II CL 4 PER MIL-R-20092H; COVER NO 679139-1; NYLON COATED CLOTH; OLIVE DRAB; 17.000 IN. W; 15.000 IN. LG IN
NSN5360-00-291-5446
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUSHION ASSEMBLY,GU TITLE COMPONENT PN 679139 MFR CUSHION ASSEMBLY,GU
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 2.813 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.344 INCHES NOMINAL IN
•
COIL QUANTITY: 15
•
COIL HELIX DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 1065 OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.469 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH2.813 INCHES NOMINAL IN
INSIDE DIAMETER0.344 INCHES NOMINAL IN
COIL QUANTITY15
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1065 OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
256-1-29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
892139Reference document
Same NSN cross-reference
Reference document — Secondary reference
D256-224PCA256-1856Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D256-224PC29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D256-224SH1PC29Same 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 679139?
679139 is a CUSHION ASSEMBLY,GU.
What parts can replace 679139?
There are 5 known substitutes for 679139: 256-1-29, 892139, D256-224PCA256-1856 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 679139?
679139 is cataloged in the U.S. Government catalog under NSN 5360-00-291-5446. 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.