121754-6-9 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

121754-6-9: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN, head_height: 0.096 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-449-3797, 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

121754-6-9

NSN: 5305-01-449-3797
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	FILLISTER COUNTERSUNK
grip_length	0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN
head_height	0.096 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
head_diameter	0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
thread_length	0.570 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	1.133 INCHES NOMINAL IN
hardness_rating	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
NSN	5305-01-449-3797

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.096 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.133 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.570 INCHES MAXIMUM IN

•

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

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.096 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
FASTENER LENGTH	1.133 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.570 INCHES MAXIMUM IN
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN

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

C9535-6-9Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

AIC9535-6-9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5305PL0784952Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 121754-6-9?

121754-6-9 is a SCREW,CLOSE TOLERANCE.

What parts can replace 121754-6-9?

There are 3 known substitutes for 121754-6-9: C9535-6-9, AIC9535-6-9, 5305PL0784952. Substitute compatibility should be verified for your specific system.

What is the NSN for 121754-6-9?

121754-6-9 is cataloged in the U.S. Government catalog under NSN 5305-01-449-3797. This indicates validated use in U.S. government and defense supply chains.

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