A21645-1 — RING,EXTERNALLY THREADED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A21645-1: RING,EXTERNALLY THREADED.

The RING,EXTERNALLY THREADED is a the manufacturer industrial component. Key specifications include depth: 0.055 INCHES NOMINAL IN, width: 0.060 INCHES NOMINAL IN, material: STEEL COMP 324, bore_shape: STRAIGHT, drive_type: SLOTTED FACE, thread_size: 0.562-28. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-486-9527, 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

A21645-1

NSN: 5365-00-486-9527
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 9P5N5 — MOOG MILITARY AIRCRAFT LLC (USA)

SPECIFICATIONS

depth	0.055 INCHES NOMINAL IN
width	0.060 INCHES NOMINAL IN
material	STEEL COMP 324
bore_shape	STRAIGHT
drive_type	SLOTTED FACE
thread_size	0.562-28
thread_class	3A A
bore_diameter	0.265 INCHES NOMINAL IN
beveled_thread	INCLUDED
overall_length	0.225 INCHES NOMINAL IN
thread_location	BOTH ENDS
special_features	NYLON LOCKING PELLET 0.078 IN. DIA TO DEPTH OF 0.078 IN. LOCATED IN THD IN
NSN	5365-00-486-9527

COMPONENT DIAGRAM

KEY FEATURES

•

BORE ANNULAR INTERNAL SERRATION: NOT INCLUDED

•

BEVELED THREAD: INCLUDED

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A

•

DRIVE TYPE: SLOTTED FACE

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-862 CLASS 324 MIL SPEC SINGLE MATERIAL RESPONSE

•

THREAD LOCATION: BOTH ENDS

•

BORE SHAPE: STRAIGHT

TECHNICAL CHARACTERISTICS

BORE ANNULAR INTERNAL SERRATION	NOT INCLUDED
BEVELED THREAD	INCLUDED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
DRIVE TYPE	SLOTTED FACE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-862 CLASS 324 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.225 INCHES NOMINAL IN
THREAD LOCATION	BOTH ENDS
BORE SHAPE	STRAIGHT
THREAD DIRECTION	RIGHT-HAND
SETSCREW LOCKING NOTCH	NOT INCLUDED

OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940

SUBSTITUTES & CROSS-REFERENCES 1

091-70067Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is A21645-1?

A21645-1 is a RING,EXTERNALLY THREADED.

What parts can replace A21645-1?

There is 1 known substitute for A21645-1: 091-70067. Substitute compatibility should be verified for your specific system.

What is the NSN for A21645-1?

A21645-1 is cataloged in the U.S. Government catalog under NSN 5365-00-486-9527. This indicates validated use in U.S. government and defense supply chains.

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A21645-1 — RING,EXTERNALLY THREADED

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