021-18571-000 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

021-18571-000: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.875 INCHES NOMINAL IN, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-699-4012, 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

021-18571-000

NSN: 5305-01-699-4012
FSC: 5305 — Screws
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)

SPECIFICATIONS

material	NICKEL ALLOY K-500 OVERALL
head_style	HEXAGON
head_height	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class	2A A
thread_length	0.875 INCHES NOMINAL IN
fastener_length	1.000 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
width_between_flats	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
end_item_identification	XFER PUMP OUT
nominal_thread_diameter	0.312 INCHES IN
thread_quantity_per_inch	18
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-699-4012

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.000 INCHES NOMINAL IN

•

THREAD LENGTH: 0.875 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
FASTENER LENGTH	1.000 INCHES NOMINAL IN
THREAD LENGTH	0.875 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, CUP, HEX HEAD
THREAD CLASS	2A A
END ITEM IDENTIFICATION	XFER PUMP OUT

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

376-88422-000-ITEM-48Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 021-18571-000?

021-18571-000 is a SCREW,CAP,HEXAGON HEAD.

What parts can replace 021-18571-000?

There is 1 known substitute for 021-18571-000: 376-88422-000-ITEM-48. Substitute compatibility should be verified for your specific system.

What is the NSN for 021-18571-000?

021-18571-000 is cataloged in the U.S. Government catalog under NSN 5305-01-699-4012. This indicates validated use in U.S. government and defense supply chains.

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021-18571-000 — SCREW,CAP,HEXAGON HEAD

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