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GB2021-2 — PACKING NUT,STUFFING TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GB2021-2: PACKING NUT,STUFFING TUBE.

The PACKING NUT,STUFFING TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.268 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN, overall_length: 0.469 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5975-00-642-8523, 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
GB2021-2
NSN: 5975-00-642-8523
FSC: 5975 — Electrical Hardware and Supplies
CAGE: 28528 — ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.268 INCHES NOMINAL IN
thread_length0.250 INCHES NOMINAL IN
overall_length0.469 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.438 INCHES NOMINAL IN
NSN5975-00-642-8523
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PACKING NUT,STUFFING TUBE TITLE COMPONENT PN GB2021-2 MFR PACKING NUT,STUFFING T
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
BORE DIAMETER: 0.268 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
OVERALL LENGTH0.469 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
BORE DIAMETER0.268 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5975 — Electrical Hardware and Supplies
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5975-00-000-0120 5975-00-000-0126 5975-00-000-7420 5975-00-001-1397 5975-00-001-1538 5975-00-001-1539 5975-00-001-1542 5975-00-001-2444
SUBSTITUTES & CROSS-REFERENCES 1
SCB42387Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 GB2021-2?
GB2021-2 is a PACKING NUT,STUFFING TUBE.
What parts can replace GB2021-2?
There is 1 known substitute for GB2021-2: SCB42387. Substitute compatibility should be verified for your specific system.
What is the NSN for GB2021-2?
GB2021-2 is cataloged in the U.S. Government catalog under NSN 5975-00-642-8523. 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.