7391A79 — KEY,SOCKET HEAD SCREW

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7391A79: KEY,SOCKET HEAD SCREW.

The KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 3.000 INCHES NOMINAL IN, overall_length: 9.938 INCHES NOMINAL IN, style_designator: FIXED T-HANDLE, surface_treatment: ZINC OVERALL, wrenching_surface_size: 0.313 INCHES NOMINAL SINGLE END IN. This part is cataloged in the U.S.

Government catalog under NSN 5120-00-221-8044, 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

7391A79

NSN: 5120-00-221-8044
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	3.000 INCHES NOMINAL IN
overall_length	9.938 INCHES NOMINAL IN
style_designator	FIXED T-HANDLE
surface_treatment	ZINC OVERALL
wrenching_surface_size	0.313 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape	HEXAGON SINGLE END EXTERNAL
specification/standard_data	05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN	5120-00-221-8044

COMPONENT DIAGRAM

KEY FEATURES

•

WRENCHING SURFACE SIZE: 0.313 INCHES NOMINAL SINGLE END IN

•

STYLE DESIGNATOR: FIXED T-HANDLE

•

SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

•

WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL

•

SURFACE TREATMENT: ZINC OVERALL

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

WRENCHING SURFACE SIZE	0.313 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATOR	FIXED T-HANDLE
OVERALL LENGTH	9.938 INCHES NOMINAL IN
OVERALL WIDTH	3.000 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA	05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SHAPE	HEXAGON SINGLE END EXTERNAL
SURFACE TREATMENT	ZINC OVERALL
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered

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

5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655

SUBSTITUTES & CROSS-REFERENCES 2

B18.3Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

346159 PC7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7391A79?

7391A79 is a KEY,SOCKET HEAD SCREW.

What parts can replace 7391A79?

There are 2 known substitutes for 7391A79: B18.3, 346159 PC7. Substitute compatibility should be verified for your specific system.

What is the NSN for 7391A79?

7391A79 is cataloged in the U.S. Government catalog under NSN 5120-00-221-8044. This indicates validated use in U.S. government and defense supply chains.

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