0N307597-3 — THUMBSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

0N307597-3: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303SE OVERALL, head_style: KNURLED NO. 1, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, point_style: CONE, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-237-1176, 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

0N307597-3

NSN: 5305-01-237-1176
FSC: 5305 — Screws
CAGE: 98230 — NATIONAL SECURITY AGENCY (USA)

SPECIFICATIONS

material	STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303SE OVERALL
head_style	KNURLED NO. 1
head_height	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
point_style	CONE
thread_class	2A A
head_diameter	0.312 INCHES NOMINAL IN
thread_length	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
fastener_length	0.906 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
nominal_thread_diameter	0.112 INCHES IN
first_diameter_from_head	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
NSN	5305-01-237-1176

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.906 INCHES NOMINAL IN

•

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

•

THREAD LENGTH: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

FIRST DIAMETER FROM HEAD: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.112 INCHES IN

•

HEAD STYLE: KNURLED NO. 1

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
FASTENER LENGTH	0.906 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 ASSN STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.112 INCHES IN
HEAD STYLE	KNURLED NO. 1
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	CONE

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 1

6134U-SS-0440-7Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 0N307597-3?

0N307597-3 is a THUMBSCREW.

What parts can replace 0N307597-3?

There is 1 known substitute for 0N307597-3: 6134U-SS-0440-7. Substitute compatibility should be verified for your specific system.

What is the NSN for 0N307597-3?

0N307597-3 is cataloged in the U.S. Government catalog under NSN 5305-01-237-1176. This indicates validated use in U.S. government and defense supply chains.

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