WC8137-3-7AS — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

WC8137-3-7AS: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, head_height: 0.044 INCHES MINIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-283-4582, 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

WC8137-3-7AS

NSN: 5305-00-283-4582
FSC: 5305 — Screws
CAGE: 60516 — WEST COAST AEROSPACE, INC. (USA)

SPECIFICATIONS

material	TITANIUM ALLOY OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
grip_length	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
head_height	0.044 INCHES MINIMUM IN
thread_class	3A A
grip_diameter	0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter	0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length	0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
special_features	FURNISHED WITH ONE O-RING SEAL
thread_direction	RIGHT-HAND
NSN	5305-00-283-4582

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.044 INCHES MINIMUM IN

•

FASTENER LENGTH: 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: NAS621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL V

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK UNDERCUT

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
HEAD HEIGHT	0.044 INCHES MINIMUM IN
FASTENER LENGTH	0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	NAS621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 5

BM33024V3-7USame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HT8137-3-7ASSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M430V3-7ASSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10125106Reference document

Same NSN cross-reference

Reference document — Informative reference only

110179-3-7ASReference document

Same NSN cross-reference

Reference document — Secondary 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 WC8137-3-7AS?

WC8137-3-7AS is a SCREW,CLOSE TOLERANCE.

What parts can replace WC8137-3-7AS?

There are 5 known substitutes for WC8137-3-7AS: BM33024V3-7U, HT8137-3-7AS, ST3M430V3-7AS and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for WC8137-3-7AS?

WC8137-3-7AS is cataloged in the U.S. Government catalog under NSN 5305-00-283-4582. This indicates validated use in U.S. government and defense supply chains.

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