C54591 — BUFFER,RECOIL MECHANISM

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C54591: BUFFER,RECOIL MECHANISM.

The BUFFER,RECOIL MECHANISM is a the manufacturer industrial component. Key specifications include length: 0.438 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.440 INCHES MINIMUM IN, overall_length: 2.938 INCHES NOMINAL IN, shank_diameter: 0.323 INCHES MINIMUM IN, style_designator: STRAIGHT FLUTE. This part is cataloged in the U.S.

Government catalog under NSN 5136-00-227-8620, 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

C54591

NSN: 5136-00-227-8620
FSC: 5136 — Taps, Dies, and Collets; Hand and Machine
CAGE: 1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)

SPECIFICATIONS

length	0.438 INCHES NOMINAL SQUARE END IN
material	STEEL OVERALL
thread_length	1.440 INCHES MINIMUM IN
flute_quantity	4
overall_length	2.938 INCHES NOMINAL IN
shank_diameter	0.323 INCHES MINIMUM IN
style_designator	STRAIGHT FLUTE
thread_direction	RIGHT-HAND
thread_structure	REGULAR
width_across_flats	0.286 INCHES NOMINAL IN
starting_chamfer_type	PLUG
thread_forming_method	GROUND
NSN	5136-00-227-8620

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.323 INCHES MINIMUM IN

•

WIDTH ACROSS FLATS: 0.286 INCHES NOMINAL IN

•

LENGTH: 0.438 INCHES NOMINAL SQUARE END IN

•

THREAD STRUCTURE: REGULAR

•

THREAD LENGTH: 1.440 INCHES MINIMUM IN

•

STYLE DESIGNATOR: STRAIGHT FLUTE

•

THREAD PITCH DIAMETERS: +0.3479 TO 0.3484 INCHES IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.323 INCHES MINIMUM IN
WIDTH ACROSS FLATS	0.286 INCHES NOMINAL IN
LENGTH	0.438 INCHES NOMINAL SQUARE END IN
THREAD STRUCTURE	REGULAR
THREAD LENGTH	1.440 INCHES MINIMUM IN
STYLE DESIGNATOR	STRAIGHT FLUTE
THREAD PITCH DIAMETERS	+0.3479 TO 0.3484 INCHES IN
OVERALL LENGTH	2.938 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

SUBSTITUTES & CROSS-REFERENCES 8

14180Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

08454Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

B94.9 3/8-24 UNF HS G H1Reference document

Same NSN cross-reference

Reference document — Secondary reference

12312Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GGG-T-70Reference document

Same NSN cross-reference

Reference document — Secondary reference

A-A-625Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is C54591?

C54591 is a BUFFER,RECOIL MECHANISM.

What parts can replace C54591?

There are 8 known substitutes for C54591: 14180, 08454, B94.9 3/8-24 UNF HS G H1 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for C54591?

C54591 is cataloged in the U.S. Government catalog under NSN 5136-00-227-8620. This indicates validated use in U.S. government and defense supply chains.

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