12421634-021 — INSERT,SCREW THREAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

12421634-021: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.702 INCHES NOMINAL IN, material: STEEL COMP 1008 OR STEEL COMP 1010 OVERALL, flange_diameter: 0.455 INCHES NOMINAL IN, flange_thickness: 0.022 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-617-9441, 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

12421634-021

NSN: 5325-01-617-9441
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

length	0.702 INCHES NOMINAL IN
material	STEEL COMP 1008 OR STEEL COMP 1010 OVERALL
flange_diameter	0.455 INCHES NOMINAL IN
flange_thickness	0.022 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL
nominal_thread_size	0.250 INCHES IN
end_item_identification	5895-01-549-4234
thread_quantity_per_inch	28
thread_series_designator	UNF
part_name_assigned_by_controlling_agency	A-K SERIES KURLED THREADED INSERT
NSN	5325-01-617-9441

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE DIAMETER: 0.455 INCHES NOMINAL IN

•

LENGTH: 0.702 INCHES NOMINAL IN

•

FLANGE THICKNESS: 0.022 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

SURFACE TREATMENT: ZINC OVERALL

TECHNICAL CHARACTERISTICS

FLANGE DIAMETER	0.455 INCHES NOMINAL IN
LENGTH	0.702 INCHES NOMINAL IN
FLANGE THICKNESS	0.022 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
SURFACE TREATMENT	ZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	A-K SERIES KURLED THREADED INSERT
END ITEM IDENTIFICATION	5895-01-549-4234
THREAD QUANTITY PER INCH	28
MATERIAL	STEEL COMP 1008 OR STEEL COMP 1010 OVERALL

OTHER ITEMS IN FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES 1

AKS4-428-260Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12421634-021?

12421634-021 is a INSERT,SCREW THREAD.

What parts can replace 12421634-021?

There is 1 known substitute for 12421634-021: AKS4-428-260. Substitute compatibility should be verified for your specific system.

What is the NSN for 12421634-021?

12421634-021 is cataloged in the U.S. Government catalog under NSN 5325-01-617-9441. This indicates validated use in U.S. government and defense supply chains.

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