KNKD420J — INSERT,SCREW THREAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KNKD420J: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.400 INCHES NOMINAL IN, material: STEEL COMP 4140 OVERALL, insert_size: 0.500-20 UNF 2A A, thread_class: 3B, style_designator: KEYLOCK, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-006-4124, 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

KNKD420J

NSN: 5325-01-006-4124
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)

SPECIFICATIONS

length	0.400 INCHES NOMINAL IN
material	STEEL COMP 4140 OVERALL
insert_size	0.500-20 UNF 2A A
thread_class	3B
style_designator	KEYLOCK
nominal_thread_size	0.250 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
full_internal_thread_length	0.250 INCHES NOMINAL IN
internal_thread_relief_depth	0.150 INCHES NOMINAL IN
material_document_and_classification	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5325-01-006-4124

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 0.400 INCHES NOMINAL IN

•

INSERT SIZE: 0.500-20 UNF 2A A

•

STYLE DESIGNATOR: KEYLOCK

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

INTERNAL THREAD RELIEF DEPTH: 0.150 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

FULL INTERNAL THREAD LENGTH: 0.250 INCHES NOMINAL IN

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

LENGTH	0.400 INCHES NOMINAL IN
INSERT SIZE	0.500-20 UNF 2A A
STYLE DESIGNATOR	KEYLOCK
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
INTERNAL THREAD RELIEF DEPTH	0.150 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.250 INCHES IN
FULL INTERNAL THREAD LENGTH	0.250 INCHES NOMINAL IN
THREAD CLASS	3B
THREAD QUANTITY PER INCH	20
MATERIAL	STEEL COMP 4140 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

KNKD420Reference 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 KNKD420J?

KNKD420J is a INSERT,SCREW THREAD.

What parts can replace KNKD420J?

There is 1 known substitute for KNKD420J: KNKD420. Substitute compatibility should be verified for your specific system.

What is the NSN for KNKD420J?

KNKD420J is cataloged in the U.S. Government catalog under NSN 5325-01-006-4124. This indicates validated use in U.S. government and defense supply chains.

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