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AS48-5 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AS48-5: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.418 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN, hardness_rating: 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM, recess_diameter: 0.503 INCHES NOMINAL IN, outside_diameter: 0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-580-1074, 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
AS48-5
NSN: 5310-00-580-1074
FSC: 5310 — Nuts and Washers
CAGE: 10630 — ANILLO INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.418 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
recess_diameter0.503 INCHES NOMINAL IN
outside_diameter0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
specification/standard_data81205-BACW10AN MANUFACTURERS STANDARD
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-580-1074
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AS48-5 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 81205-BACW10AN MANUFACTURERS STANDARD
•
RECESS DIAMETER: 0.503 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
MATERIAL THICKNESS0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81205-BACW10AN MANUFACTURERS STANDARD
RECESS DIAMETER0.503 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.418 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
2935-05Reference document
Same NSN cross-reference
Reference document — Secondary reference
F2935-05Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
GB500A5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
BACW10AN5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
67992W524Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00648-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS48-5?
AS48-5 is a WASHER,RECESSED.
What parts can replace AS48-5?
There are 6 known substitutes for AS48-5: 2935-05, F2935-05, GB500A5 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS48-5?
AS48-5 is cataloged in the U.S. Government catalog under NSN 5310-00-580-1074. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.