NASM21299 — WASHER,SPECIAL

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

NASM21299: WASHER,SPECIAL.

The WASHER,SPECIAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.881 INCHES MAXIMUM IN, overall_height: 0.062 INCHES NOMINAL IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM, outside_diameter: 1.668 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-466-6146, 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

NASM21299

NSN: 5310-01-466-6146
NIINs: 014666146, 015911396, 016662194, 016662199, 017134379, 017134385
FSC: 5310 — Nuts and Washers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
thickness	0.062 INCHES NOMINAL IN
hole_diameter	0.881 INCHES MAXIMUM IN
overall_height	0.062 INCHES NOMINAL IN
hardness_rating	35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
outside_diameter	1.668 INCHES MAXIMUM IN
overall_diameter	1.668 INCHES MAXIMUM IN
special_features	CRITICAL APPLICATION ITEM (CAI)
surface_treatment	PASSIVATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	CH-53K AIRCRAFT
NSN	5310-01-466-6146

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

OVERALL DIAMETER: 2.381 INCHES MINIMUM AND 2.391 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	2.381 INCHES MINIMUM AND 2.391 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CADMIUM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	1730-01-268-4715;SOT EQUIPMENT (SE),B-2 BOMBER
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 2

MS21299Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21299-20Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 NASM21299?

NASM21299 is a WASHER,SPECIAL.

What parts can replace NASM21299?

There are 2 known substitutes for NASM21299: MS21299, MS21299-20. Substitute compatibility should be verified for your specific system.

What is the NSN for NASM21299?

NASM21299 is cataloged in the U.S. Government catalog under NSN 5310-01-466-6146. This indicates validated use in U.S. government and defense supply chains.

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