10122139 — WASHER,RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

10122139: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES TOP, hardness_rating: 29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM, outside_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, style_designator: RECESSED BOTH SIDES, top_recess_angle: 90.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-101-4948, 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

10122139

NSN: 5310-01-101-4948
FSC: 5310 — Nuts and Washers
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)

SPECIFICATIONS

hole_diameter	0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES TOP
hardness_rating	29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
outside_diameter	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
style_designator	RECESSED BOTH SIDES
top_recess_angle	90.0 DEGREES NOMINAL
material_thickness	0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
bottom_recess_angle	90.0 DEGREES NOMINAL
top_recess_diameter	0.308 INCHES NOMINAL IN
bottom_recess_diameter	0.308 INCHES NOMINAL IN
material_document_and_classification	AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN	5310-01-101-4948

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

TOP RECESS DIAMETER: 0.308 INCHES NOMINAL IN

•

BOTTOM RECESS DIAMETER: 0.308 INCHES NOMINAL IN

•

HARDNESS RATING: 29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM

•

TOP RECESS ANGLE: 90.0 DEGREES NOMINAL

•

STYLE DESIGNATOR: RECESSED BOTH SIDES

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
TOP RECESS DIAMETER	0.308 INCHES NOMINAL IN
BOTTOM RECESS DIAMETER	0.308 INCHES NOMINAL IN
HARDNESS RATING	29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
TOP RECESS ANGLE	90.0 DEGREES NOMINAL
STYLE DESIGNATOR	RECESSED BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

MS9768-10Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0211602Reference 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 10122139?

10122139 is a WASHER,RECESSED.

What parts can replace 10122139?

There are 2 known substitutes for 10122139: MS9768-10, 5310PL0211602. Substitute compatibility should be verified for your specific system.

What is the NSN for 10122139?

10122139 is cataloged in the U.S. Government catalog under NSN 5310-01-101-4948. This indicates validated use in U.S. government and defense supply chains.

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10122139 — WASHER,RECESSED

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