580R953H02 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

580R953H02: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN, material: STEEL COMP 305 EYELET, drive_type: SLOTTED, eyelet_length: 0.328 INCHES NOMINAL IN, stud_head_height: 0.069 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-819-7378, 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

580R953H02

NSN: 5325-00-819-7378
FSC: 5325 — Fastening Devices
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

diameter	0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
material	STEEL COMP 305 EYELET
drive_type	SLOTTED
eyelet_length	0.328 INCHES NOMINAL IN
stud_head_height	0.069 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN
surface_treatment	PASSIVATE OVERALL
stud_assembly_style	STUD ASSEMBLY
eyelet_outside_diameter	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_style	STUD HEAD
material_accommodated_thickness	0.060 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_engaging_member_to_largest_bearing_surface_of_head	0.491 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
NSN	5325-00-819-7378

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

EYELET OUTSIDE DIAMETER: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

DRIVE TYPE: SLOTTED

•

MATERIAL ACCOMMODATED THICKNESS: 0.060 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN

•

DIAMETER: 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.069 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN

•

DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.491 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN

•

TURNLOCK STUD HEAD STYLE: STUD HEAD

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DRIVE TYPE	SLOTTED
MATERIAL ACCOMMODATED THICKNESS	0.060 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
DIAMETER	0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.069 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.491 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLE	STUD HEAD
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 305 EYELET

SUBSTITUTES & CROSS-REFERENCES 2

401823-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2700-2SSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 580R953H02?

580R953H02 is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 580R953H02?

There are 2 known substitutes for 580R953H02: 401823-1, 2700-2S. Substitute compatibility should be verified for your specific system.

What is the NSN for 580R953H02?

580R953H02 is cataloged in the U.S. Government catalog under NSN 5325-00-819-7378. This indicates validated use in U.S. government and defense supply chains.

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