12S1-54-1AA — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

12S1-54-1AA: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, material: STEEL COMP 4037 STUD, drive_type: SLOTTED, stud_diameter: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-249-5987, 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

12S1-54-1AA

NSN: 5325-00-249-5987
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)

SPECIFICATIONS

diameter	0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
material	STEEL COMP 4037 STUD
drive_type	SLOTTED
stud_diameter	0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
special_features	SPRING CUP MATERIAL IS CARBON STLPER ASTM A109:SPRING MATERIAL IS WIRE-STEEL PER QQ-W-470(MUSIC WIRE):CROSS-PIN MATERIAL IS CARBON STL PER QQ-W-470(MUSIC WIRE)
surface_treatment	CADMIUM OVERALL
stud_assembly_style	STUD ASSEMBLY
eyelet_outside_diameter	0.354 INCHES NOMINAL IN
turnlock_stud_head_style	FILLISTER
material_document_and_classification	QQ-S-624-4037 FED SPEC SINGLE MATERIAL RESPONSE STUD
surface_treatment_document_and_classification	QQ-P-416,CLASS 2,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_engaging_member_to_largest_bearing_surface_of_head	1.074 INCHES NOMINAL IN
NSN	5325-00-249-5987

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,CLASS 2,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

EYELET OUTSIDE DIAMETER: 0.354 INCHES NOMINAL IN

•

DRIVE TYPE: SLOTTED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624-4037 FED SPEC SINGLE MATERIAL RESPONSE STUD

•

DIAMETER: 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN

•

DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 1.074 INCHES NOMINAL IN

•

TURNLOCK STUD HEAD STYLE: FILLISTER

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CLASS 2,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER	0.354 INCHES NOMINAL IN
DRIVE TYPE	SLOTTED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624-4037 FED SPEC SINGLE MATERIAL RESPONSE STUD
DIAMETER	0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	1.074 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLE	FILLISTER
SPECIAL FEATURES	SPRING CUP MATERIAL IS CARBON STLPER ASTM A109:SPRING MATERIAL IS WIRE-STEEL PER QQ-W-470(MUSIC WIRE):CROSS-PIN MATERIAL IS CARBON STL PER QQ-W-470(MUSIC WIRE)
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL COMP 4037 STUD

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

STSEC007AS54Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 12S1-54-1AA?

12S1-54-1AA is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 12S1-54-1AA?

There is 1 known substitute for 12S1-54-1AA: STSEC007AS54. Substitute compatibility should be verified for your specific system.

What is the NSN for 12S1-54-1AA?

12S1-54-1AA is cataloged in the U.S. Government catalog under NSN 5325-00-249-5987. This indicates validated use in U.S. government and defense supply chains.

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