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938.75.11.103 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

938.75.11.103: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, recess_diameter: 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, outside_diameter: 0.687 INCHES NOMINAL IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-149-9146, 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
938.75.11.103
NSN: 5310-00-149-9146
FSC: 5310 — Nuts and Washers
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
materialSTEEL COMP 1330 OR STEEL COMP 4130 OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
recess_diameter0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
outside_diameter0.687 INCHES NOMINAL IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.078 INCHES NOMINAL IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
minimum_tensile_strength125000 POUNDS PER SQUARE INCH LBS
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-149-9146
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 938.75.11.103 · 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 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.687 INCHES NOMINAL IN
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
RECESS DIAMETER0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL COMP 1330 OR STEEL COMP 4130 OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
MS20002C6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
410050020Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10082396Reference document
Same NSN cross-reference
Reference document — Informative reference only
NAS143-6CReference document
Same NSN cross-reference
Reference document — Secondary reference
21110 FIND 43Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
21820 FIND 40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 938.75.11.103?
938.75.11.103 is a WASHER,RECESSED.
What parts can replace 938.75.11.103?
There are 8 known substitutes for 938.75.11.103: MS20002C6, 410050020, 10082396 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 938.75.11.103?
938.75.11.103 is cataloged in the U.S. Government catalog under NSN 5310-00-149-9146. This indicates validated use in U.S. government and defense supply chains.
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