12387272-51 — WASHER,LOCK

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387272-51: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.753 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, outside_diameter: 1.264 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC AND CHROMATE OVERALL, material_thickness: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-378-8769, 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

12387272-51

NSN: 5310-01-378-8769
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

hole_diameter	0.753 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
hardness_rating	38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
outside_diameter	1.264 INCHES NOMINAL IN
style_designator	SPLIT HELICAL-RIGHT HAND
surface_treatment	ZINC AND CHROMATE OVERALL
material_thickness	0.188 INCHES NOMINAL IN
material_document_and_classification	ASTM A29 ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classification	ASTM B633, TYPE 2, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-378-8769

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633, TYPE 2, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A29 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

OUTSIDE DIAMETER: 1.264 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.188 INCHES NOMINAL IN

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

MATERIAL: STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE 2, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	SPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A29 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER	1.264 INCHES NOMINAL IN
MATERIAL THICKNESS	0.188 INCHES NOMINAL IN
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
MATERIAL	STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER	0.753 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN

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

No substitute or cross-reference records for this part.

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 12387272-51?

12387272-51 is a WASHER,LOCK.

What is the NSN for 12387272-51?

12387272-51 is cataloged in the U.S. Government catalog under NSN 5310-01-378-8769. This indicates validated use in U.S. government and defense supply chains.

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