11901-4-8 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

11901-4-8: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-142-7199, 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

11901-4-8

NSN: 5305-01-142-7199
FSC: 5305 — Screws
CAGE: 59563 — REID PRODUCTS INC. DBA REID PRODUCTS INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.801 INCHES MINIMUM AND 0.831 INCHES MAXIMUM IN
shoulder_length	0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-142-7199

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.801 INCHES MINIMUM AND 0.831 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.801 INCHES MINIMUM AND 0.831 INCHES MAXIMUM IN
SHOULDER LENGTH	0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

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 3

3M959-4-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HT4049-4-8YSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M959-4-8Reference document

Same NSN cross-reference

Reference document — Secondary 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 11901-4-8?

11901-4-8 is a SCREW,SHOULDER.

What parts can replace 11901-4-8?

There are 3 known substitutes for 11901-4-8: 3M959-4-8, HT4049-4-8Y, ST3M959-4-8. Substitute compatibility should be verified for your specific system.

What is the NSN for 11901-4-8?

11901-4-8 is cataloged in the U.S. Government catalog under NSN 5305-01-142-7199. This indicates validated use in U.S. government and defense supply chains.

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