K1131-4 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

K1131-4: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.340 INCHES MAXIMUM IN, nut_length: 1.260 INCHES MAXIMUM IN, plate_width: 0.535 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN, temp_rating: 800.0 FAHRENHEIT MAXIMUM DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-772-7946, 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

K1131-4

NSN: 5310-00-772-7946
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	PLATE
nut_height	0.340 INCHES MAXIMUM IN
nut_length	1.260 INCHES MAXIMUM IN
plate_width	0.535 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
temp_rating	800.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	49.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.055 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
NSN	5310-00-772-7946

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.055 INCHES MAXIMUM IN

•

NUT LENGTH: 1.260 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

PLATE WIDTH: 0.535 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN

•

TEMP RATING: 800.0 FAHRENHEIT MAXIMUM DEGF

•

MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES

TECHNICAL CHARACTERISTICS

PLATE THICKNESS	0.055 INCHES MAXIMUM IN
NUT LENGTH	1.260 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
PLATE WIDTH	0.535 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
TEMP RATING	800.0 FAHRENHEIT MAXIMUM DEGF
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
HARDNESS RATING	49.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE 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 6

LHTA58-2860-048Reference document

Same NSN cross-reference

Reference document — Secondary reference

R2100C4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

15700-048Reference document

Same NSN cross-reference

Reference document — Secondary reference

T2CH428Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21050-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

NAS681C4Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is K1131-4?

K1131-4 is a NUT,SELF-LOCKING,PLATE.

What parts can replace K1131-4?

There are 6 known substitutes for K1131-4: LHTA58-2860-048, R2100C4, 15700-048 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for K1131-4?

K1131-4 is cataloged in the U.S. Government catalog under NSN 5310-00-772-7946. This indicates validated use in U.S. government and defense supply chains.

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