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GB421 — FILTER,LEAKAGE,TEST SET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GB421: FILTER,LEAKAGE,TEST SET.

The FILTER,LEAKAGE,TEST SET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, end_item_identification: 4927011137367. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-392-7955, 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
GB421
NSN: 5360-00-392-7955
NIINs: 003927955, 011178410
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 28528 — ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
end_item_identification4927011137367
general_characteristics_item_descriptionMATL: DACRON FELT PER G.E. A50WL390A; DIM.: 0.2800 IN. NOM OD,0.1900 IN. NOM THK; STOCKED PER CONTRACT NO. F04606-79-G-0072 IN
NSN5360-00-392-7955
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,LEAKAGE,TEST SET TITLE COMPONENT PN GB421 MFR FILTER,LEAKAGE,TEST SE
KEY FEATURES
•
MATERIAL: STEEL COMP 631 OVERALL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL COMP 631 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
SCB136106Same 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 GB421?
GB421 is a FILTER,LEAKAGE,TEST SET.
What parts can replace GB421?
There is 1 known substitute for GB421: SCB136106. Substitute compatibility should be verified for your specific system.
What is the NSN for GB421?
GB421 is cataloged in the U.S. Government catalog under NSN 5360-00-392-7955. 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.