ASME B.18.21.1 — WASHER,SPRING TENSION

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ASME B.18.21.1: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.344 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-184-9161, 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

ASME B.18.21.1

NSN: 5310-00-184-9161
NIINs: 001849161, 005159962, 005767612, 005826714, 005957203, 006379541, 006806823, 006875934, 006882195, 007872156, 008422353, 008501611, 008590707, 008839417, 011517347, 012144946, 013017863, 014935355, 015312446, 015555019, 015577490, 015577491, 015868495, 016104946, 016179826, 016202650
FSC: 5310 — Nuts and Washers
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.065 INCHES NOMINAL IN
hole_diameter	0.344 INCHES NOMINAL IN
overall_diameter	0.688 INCHES NOMINAL IN
surface_treatment	ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	4320-01-507-0595
cross-sectional_shape_style	RECTANGULAR
part_name_assigned_by_controlling_agency	PLAIN WASHER 6X12X1
NSN	5310-00-184-9161

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: FLAT INTERNAL TEETH

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN

•

NONDEFINITIVE SPEC/STD DATA: 2 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	FLAT INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA	2 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 410 OVERALL
HOLE DIAMETER	0.640 INCHES MINIMUM AND 0.663 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 9

5310PL0716587Reference document

Same NSN cross-reference

Reference document — Informative reference only

10116653Reference document

Same NSN cross-reference

Reference document — Informative reference only

MS35333-80Reference document

Same NSN cross-reference

Reference document — Secondary reference

FF-W-100Reference document

Same NSN cross-reference

Reference document — Secondary reference

1728-00-00Reference document

Same NSN cross-reference

Reference document — Secondary reference

0740793Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ASME B.18.21.1?

ASME B.18.21.1 is a WASHER,SPRING TENSION.

What parts can replace ASME B.18.21.1?

There are 9 known substitutes for ASME B.18.21.1: 5310PL0716587, 10116653, MS35333-80 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for ASME B.18.21.1?

ASME B.18.21.1 is cataloged in the U.S. Government catalog under NSN 5310-00-184-9161. This indicates validated use in U.S. government and defense supply chains.

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ASME B.18.21.1 — WASHER,SPRING TENSION

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