191081 — THUMBSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

191081: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, head_style: KNURLED NO. 1, head_height: 0.350 INCHES NOMINAL IN, point_style: FLAT, head_diameter: 0.550 INCHES NOMINAL IN, thread_length: 0.470 INCHES MINIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-276-1629, 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

191081

NSN: 5305-01-276-1629
FSC: 5305 — Screws
CAGE: 1PAM0 — DAVCO TECHNOLOGY, LLC (USA)

SPECIFICATIONS

material	COPPER ALLOY 360 OVERALL
head_style	KNURLED NO. 1
head_height	0.350 INCHES NOMINAL IN
point_style	FLAT
head_diameter	0.550 INCHES NOMINAL IN
thread_length	0.470 INCHES MINIMUM IN
fastener_length	0.550 INCHES NOMINAL IN
special_features	CUT KEY WAY IN THREADED AREA AT A RADIUS 1.250 IN. WIDTH 0.094 IN. IN
thread_direction	RIGHT-HAND
nominal_thread_diameter	8.0 MILLIMETERS MM
thread_series_designator	M
thread_pitch_in_millimeters	1.0
NSN	5305-01-276-1629

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.350 INCHES NOMINAL IN

•

EXTERNAL THREAD TOLERANCE CLASS: 6G G

•

FASTENER LENGTH: 0.550 INCHES NOMINAL IN

•

THREAD PITCH IN MILLIMETERS: 1.0

•

THREAD LENGTH: 0.470 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM

•

HEAD STYLE: KNURLED NO. 1

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.350 INCHES NOMINAL IN
EXTERNAL THREAD TOLERANCE CLASS	6G G
FASTENER LENGTH	0.550 INCHES NOMINAL IN
THREAD PITCH IN MILLIMETERS	1.0
THREAD LENGTH	0.470 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS MM
HEAD STYLE	KNURLED NO. 1
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	FLAT

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

84-13320Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 191081?

191081 is a THUMBSCREW.

What parts can replace 191081?

There is 1 known substitute for 191081: 84-13320. Substitute compatibility should be verified for your specific system.

What is the NSN for 191081?

191081 is cataloged in the U.S. Government catalog under NSN 5305-01-276-1629. This indicates validated use in U.S. government and defense supply chains.

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