11911-4-5-1 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

11911-4-5-1: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_height: 0.015 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM IN, thread_length: 0.312 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-081-0751, 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

11911-4-5-1

NSN: 5305-01-081-0751
FSC: 5305 — Screws
CAGE: 59563 — REID PRODUCTS INC. DBA REID PRODUCTS INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_height	0.015 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM IN
thread_length	0.312 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM IN
shoulder_length	0.259 INCHES NOMINAL FIRST SHOULDER IN
special_features	SOCKET DRIVE RECESS IN THREAD END 0.095 IN. MIN AND 0.097 IN. MAX WIDTH ACROSS FLATS IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-081-0751

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.015 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.259 INCHES NOMINAL FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.312 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.015 INCHES MAXIMUM IN
FASTENER LENGTH	0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM IN
SHOULDER LENGTH	0.259 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.312 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 3

10114986Reference document

Same NSN cross-reference

Reference document — Informative reference only

ST3M495-4-5-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HT4016-4-5XReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 11911-4-5-1?

11911-4-5-1 is a SCREW,SHOULDER.

What parts can replace 11911-4-5-1?

There are 3 known substitutes for 11911-4-5-1: 10114986, ST3M495-4-5-1, HT4016-4-5X. Substitute compatibility should be verified for your specific system.

What is the NSN for 11911-4-5-1?

11911-4-5-1 is cataloged in the U.S. Government catalog under NSN 5305-01-081-0751. This indicates validated use in U.S. government and defense supply chains.

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