C-54520 — VALVE,STOP-CHECK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C-54520: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.250 INCHES MINIMUM IN, overall_length: 2.719 INCHES NOMINAL IN, shank_diameter: 0.381 INCHES MINIMUM IN, style_designator: STRAIGHT FLUTE. This part is cataloged in the U.S.

Government catalog under NSN 5136-00-580-7355, 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

C-54520

NSN: 5136-00-580-7355
NIINs: 005807355, 011918084
FSC: 5136 — Taps, Dies, and Collets; Hand and Machine
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)

SPECIFICATIONS

length	0.375 INCHES NOMINAL SQUARE END IN
material	STEEL OVERALL
thread_length	1.250 INCHES MINIMUM IN
flute_quantity	4
overall_length	2.719 INCHES NOMINAL IN
shank_diameter	0.381 INCHES MINIMUM IN
style_designator	STRAIGHT FLUTE
thread_direction	RIGHT-HAND
thread_structure	REGULAR
width_across_flats	0.238 INCHES NOMINAL IN
starting_chamfer_type	BOTTOMING
thread_forming_method	GROUND
NSN	5136-00-580-7355

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.381 INCHES MINIMUM IN

•

WIDTH ACROSS FLATS: 0.238 INCHES NOMINAL IN

•

LENGTH: 0.375 INCHES NOMINAL SQUARE END IN

•

THREAD STRUCTURE: REGULAR

•

THREAD LENGTH: 1.250 INCHES MINIMUM IN

•

STYLE DESIGNATOR: STRAIGHT FLUTE

•

THREAD PITCH DIAMETERS: +0.2864 TO 0.2869 INCHES IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.381 INCHES MINIMUM IN
WIDTH ACROSS FLATS	0.238 INCHES NOMINAL IN
LENGTH	0.375 INCHES NOMINAL SQUARE END IN
THREAD STRUCTURE	REGULAR
THREAD LENGTH	1.250 INCHES MINIMUM IN
STYLE DESIGNATOR	STRAIGHT FLUTE
THREAD PITCH DIAMETERS	+0.2864 TO 0.2869 INCHES IN
OVERALL LENGTH	2.719 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

SUBSTITUTES & CROSS-REFERENCES 8

12125Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11B5090651-48Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

54520Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GGG-T-70 TY1SEBSTCReference document

Same NSN cross-reference

Reference document — Secondary reference

08410Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GGG-T-70Reference 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 C-54520?

C-54520 is a VALVE,STOP-CHECK.

What parts can replace C-54520?

There are 8 known substitutes for C-54520: 12125, 11B5090651-48, 54520 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for C-54520?

C-54520 is cataloged in the U.S. Government catalog under NSN 5136-00-580-7355. This indicates validated use in U.S. government and defense supply chains.

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