437B156-1 — WASHER,KEY

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

437B156-1: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM, surface_treatment: CADMIUM OVERALL, material_document_and_classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL, surface_treatment_document_and_classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-177-1877, 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

437B156-1

NSN: 5310-01-177-1877
FSC: 5310 — Nuts and Washers
CAGE: 17472 — EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
hardness_rating	35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
surface_treatment	CADMIUM OVERALL
material_document_and_classification	MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-177-1877

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SURFACE TREATMENT: CADMIUM OVERALL

•

MATERIAL: STEEL COMP 4130 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL COMP 4130 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 1

10110047Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 437B156-1?

437B156-1 is a WASHER,KEY.

What parts can replace 437B156-1?

There is 1 known substitute for 437B156-1: 10110047. Substitute compatibility should be verified for your specific system.

What is the NSN for 437B156-1?

437B156-1 is cataloged in the U.S. Government catalog under NSN 5310-01-177-1877. This indicates validated use in U.S. government and defense supply chains.

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437B156-1 — WASHER,KEY

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