B4525-304-58 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B4525-304-58: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.964 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-957-2640, 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

B4525-304-58

NSN: 5305-00-957-2640
FSC: 5305 — Screws
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.964 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN
screw_material	STEEL
fastener_length	1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.250 INCHES IN
screw_surface_treatment	CADMIUM AND CHROMATE
minimum_tensile_strength	60000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-957-2640

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE

•

FASTENER LENGTH: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.964 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 2C STYLE

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
FASTENER LENGTH	1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.964 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 2C STYLE
SCREW MATERIAL	STEEL
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 7

MS24583-74Reference document

Same NSN cross-reference

Reference document — Secondary reference

FFS92Reference document

Same NSN cross-reference

Reference document — Identification reference

5305009572640Reference document

Same NSN cross-reference

Reference document — Secondary reference

188741Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

MS35191-294Reference document

Same NSN cross-reference

Reference document — Secondary reference

7104-6323Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B4525-304-58?

B4525-304-58 is a SCREW,MACHINE.

What parts can replace B4525-304-58?

There are 7 known substitutes for B4525-304-58: MS24583-74, FFS92, 5305009572640 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B4525-304-58?

B4525-304-58 is cataloged in the U.S. Government catalog under NSN 5305-00-957-2640. This indicates validated use in U.S. government and defense supply chains.

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