4385049 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

4385049: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.872 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN, thread_length: 0.845 INCHES MINIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-336-0699, 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

4385049

NSN: 5305-01-336-0699
NIINs: 013360699, 016941675
FSC: 5305 — Screws
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.872 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
thread_length	0.845 INCHES MINIMUM IN
fastener_length	1.250 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	82.0 DEGREES NOMINAL
width_across_flats	0.312 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.500 INCHES IN
minimum_tensile_strength	80000 POUNDS PER SQUARE INCH LBS
NSN	5305-01-336-0699

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.845 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.312 INCHES NOMINAL IN
FASTENER LENGTH	1.250 INCHES NOMINAL IN
THREAD LENGTH	0.845 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH LBS
MINIMUM YIELD STRENGTH	40000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLE	HEXAGON

SUBSTITUTES & CROSS-REFERENCES 3

810-4385049 ITEM 75Reference document

Same NSN cross-reference

Reference document — Secondary reference

1/2-13UNC-3A X 1-1/4 LG NI-CUReference document

Same NSN cross-reference

Reference document — Design control — primary reference

FF-S-86Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

Ready to buy 4385049?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 4385049?

4385049 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 4385049?

There are 3 known substitutes for 4385049: 810-4385049 ITEM 75, 1/2-13UNC-3A X 1-1/4 LG NI-CU, FF-S-86. Substitute compatibility should be verified for your specific system.

What is the NSN for 4385049?

4385049 is cataloged in the U.S. Government catalog under NSN 5305-01-336-0699. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

4385049 — SCREW,CAP,SOCKET HEAD

Request a Quote — 4385049