ST2537-11 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ST2537-11: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: GANG CHANNEL, SELF LOCKING, thread_class: 3B, channel_style: STRAIGHT TYPE, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), hardness_rating: 24.0 ROCKWELL C MINIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-486-1014, 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

ST2537-11

NSN: 5310-01-486-1014
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	GANG CHANNEL, SELF LOCKING
thread_class	3B
channel_style	STRAIGHT TYPE
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	24.0 ROCKWELL C MINIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
nominal_thread_size	0.312 INCHES IN
thread_quantity_per_inch	24
material_document_and_classification	AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5737 ASSN STD 3RD MATERIAL RESPONSE OVERALL
NSN	5310-01-486-1014

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

HARDNESS RATING: 24.0 ROCKWELL C MINIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5737 ASSN STD 3RD MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT STYLE: GANG CHANNEL, SELF LOCKING

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING	24.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5737 ASSN STD 3RD MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT STYLE	GANG CHANNEL, SELF LOCKING
THREAD CLASS	3B
THREAD QUANTITY PER INCH	24
MATERIAL	IRON ALLOY 660 OVERALL

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 3

ST2533-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST2534-11Reference document

Same NSN cross-reference

Reference document — Secondary reference

LHG13931-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST2537-11?

ST2537-11 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.

What parts can replace ST2537-11?

There are 3 known substitutes for ST2537-11: ST2533-11, ST2534-11, LHG13931-5. Substitute compatibility should be verified for your specific system.

What is the NSN for ST2537-11?

ST2537-11 is cataloged in the U.S. Government catalog under NSN 5310-01-486-1014. This indicates validated use in U.S. government and defense supply chains.

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