GS1009-4-7R — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

GS1009-4-7R: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.4375 INCHES NOMINAL IN, head_height: 0.063 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-693-2864, 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

GS1009-4-7R

NSN: 5305-01-693-2864
FSC: 5305 — Screws
CAGE: 1EM77 — B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.4375 INCHES NOMINAL IN
head_height	0.063 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN
head_diameter	0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
thread_length	0.403 INCHES NOMINAL IN
fastener_length	0.8405 INCHES NOMINAL IN
hardness_rating	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-01-693-2864

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.063 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.8405 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS672 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.403 INCHES NOMINAL IN

•

HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS6487 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.063 INCHES NOMINAL IN
FASTENER LENGTH	0.8405 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS672 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.403 INCHES NOMINAL IN
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6487 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.4375 INCHES NOMINAL IN

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 2

C20645-4-7RReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

C20645Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is GS1009-4-7R?

GS1009-4-7R is a SCREW,CLOSE TOLERANCE.

What parts can replace GS1009-4-7R?

There are 2 known substitutes for GS1009-4-7R: C20645-4-7R, C20645. Substitute compatibility should be verified for your specific system.

What is the NSN for GS1009-4-7R?

GS1009-4-7R is cataloged in the U.S. Government catalog under NSN 5305-01-693-2864. This indicates validated use in U.S. government and defense supply chains.

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