KNBL428 — INSERT,SCREW THREAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KNBL428: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.620 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, insert_size: 0.375-16 UNC CLASS 3A A, style_designator: GROOVED KEYLOCK, features_provided: INDIVIDUALLY KEYED, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-017-6072, 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

KNBL428

NSN: 5325-00-017-6072
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

length	0.620 INCHES NOMINAL IN
material	STEEL COMP 303 OVERALL
insert_size	0.375-16 UNC CLASS 3A A
style_designator	GROOVED KEYLOCK
features_provided	INDIVIDUALLY KEYED
nominal_thread_size	0.250 INCHES IN
thread_quantity_per_inch	28
thread_series_designator	UNF
full_internal_thread_length	0.370 INCHES NOMINAL IN
internal_thread_relief_depth	0.070 INCHES NOMINAL IN
material_document_and_classification	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5325-00-017-6072

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 0.620 INCHES NOMINAL IN

•

INSERT SIZE: 0.375-16 UNC CLASS 3A A

•

STYLE DESIGNATOR: GROOVED KEYLOCK

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

INTERNAL THREAD RELIEF DEPTH: 0.070 INCHES NOMINAL IN

•

FEATURES PROVIDED: INDIVIDUALLY KEYED

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

FULL INTERNAL THREAD LENGTH: 0.370 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH	0.620 INCHES NOMINAL IN
INSERT SIZE	0.375-16 UNC CLASS 3A A
STYLE DESIGNATOR	GROOVED KEYLOCK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
INTERNAL THREAD RELIEF DEPTH	0.070 INCHES NOMINAL IN
FEATURES PROVIDED	INDIVIDUALLY KEYED
NOMINAL THREAD SIZE	0.250 INCHES IN
FULL INTERNAL THREAD LENGTH	0.370 INCHES NOMINAL IN
THREAD QUANTITY PER INCH	28
MATERIAL	STEEL COMP 303 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 2

860962-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

642AS1584-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 KNBL428?

KNBL428 is a INSERT,SCREW THREAD.

What parts can replace KNBL428?

There are 2 known substitutes for KNBL428: 860962-3, 642AS1584-1. Substitute compatibility should be verified for your specific system.

What is the NSN for KNBL428?

KNBL428 is cataloged in the U.S. Government catalog under NSN 5325-00-017-6072. This indicates validated use in U.S. government and defense supply chains.

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