GB511DD1812 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

GB511DD1812: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT CHAMFER, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN, thread_length: 0.381 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-091-7930, 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

GB511DD1812

NSN: 5305-01-091-7930
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT CHAMFER
head_height	0.312 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
thread_length	0.381 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	2.777 INCHES MINIMUM AND 2.823 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	2.242 INCHES MINIMUM AND 2.258 INCHES MAXIMUM FIRST SHOULDER IN
special_features	FURNISHED WITH SPINDLE,SPRING AND DETENT BALLS FOR SELF LOCKING
thread_direction	RIGHT-HAND
NSN	5305-01-091-7930

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.312 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.777 INCHES MINIMUM AND 2.823 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 2.242 INCHES MINIMUM AND 2.258 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.7364 INCHES MINIMUM AND 0.7366 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.381 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.312 INCHES NOMINAL IN
FASTENER LENGTH	2.777 INCHES MINIMUM AND 2.823 INCHES MAXIMUM IN
SHOULDER LENGTH	2.242 INCHES MINIMUM AND 2.258 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.7364 INCHES MINIMUM AND 0.7366 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.381 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

AS231Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 GB511DD1812?

GB511DD1812 is a SCREW,SHOULDER.

What parts can replace GB511DD1812?

There is 1 known substitute for GB511DD1812: AS231. Substitute compatibility should be verified for your specific system.

What is the NSN for GB511DD1812?

GB511DD1812 is cataloged in the U.S. Government catalog under NSN 5305-01-091-7930. This indicates validated use in U.S. government and defense supply chains.

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