SCS-139 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

SCS-139: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include fastener_length: 2.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 0.1406 INCHES NOMINAL IN, nominal_thread_diameter: 0.164 INCHES IN, thread_quantity_per_inch: 32, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-462-3729, 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

SCS-139

NSN: 5305-01-462-3729
FSC: 5305 — Screws
CAGE: 01599 — REID SUPPLY COMPANY (USA)

SPECIFICATIONS

fastener_length	2.500 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
width_across_flats	0.1406 INCHES NOMINAL IN
nominal_thread_diameter	0.164 INCHES IN
thread_quantity_per_inch	32
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agency	NAVY SPECIAL PROJECT
NSN	5305-01-462-3729

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.1406 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.500 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD QUANTITY PER INCH: 32

•

THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.1406 INCHES NOMINAL IN
FASTENER LENGTH	2.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
THREAD DIRECTION	RIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

3418AS6484Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SCS-139?

SCS-139 is a SCREW,CAP,SOCKET HEAD.

What parts can replace SCS-139?

There is 1 known substitute for SCS-139: 3418AS6484. Substitute compatibility should be verified for your specific system.

What is the NSN for SCS-139?

SCS-139 is cataloged in the U.S. Government catalog under NSN 5305-01-462-3729. This indicates validated use in U.S. government and defense supply chains.

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SCS-139 — SCREW,CAP,SOCKET HEAD

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