ST3M454-7L25 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M454-7L25: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, head_diameter: 0.810 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-138-7235, 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

ST3M454-7L25

NSN: 5305-01-138-7235
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
head_diameter	0.810 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
thread_length	0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	2.222 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-138-7235

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 2.222 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN

•

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

•

NOMINAL THREAD DIAMETER: 0.438 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
FASTENER LENGTH	2.222 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.438 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM 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 1

HT4025L7-25Reference 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 ST3M454-7L25?

ST3M454-7L25 is a SCREW,CLOSE TOLERANCE.

What parts can replace ST3M454-7L25?

There is 1 known substitute for ST3M454-7L25: HT4025L7-25. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M454-7L25?

ST3M454-7L25 is cataloged in the U.S. Government catalog under NSN 5305-01-138-7235. This indicates validated use in U.S. government and defense supply chains.

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