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25W100-3 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

25W100-3: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, hole_diameter: 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, overall_height: 0.130 INCHES NOMINAL IN, outside_diameter: 0.437 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, material_document_and_classification: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-020-3205, 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
25W100-3
NSN: 5310-00-020-3205
FSC: 5310 — Nuts and Washers
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
hole_diameter0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
overall_height0.130 INCHES NOMINAL IN
outside_diameter0.437 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
material_document_and_classificationMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-020-3205
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 25W100-3 · 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 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 4130 OVERALL
•
HOLE DIAMETER: 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.130 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4130 OVERALL
HOLE DIAMETER0.190 INCHES MINIMUM AND 0.193 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 1
25WC100-3Reference 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 25W100-3?
25W100-3 is a WASHER,RECESSED.
What parts can replace 25W100-3?
There is 1 known substitute for 25W100-3: 25WC100-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 25W100-3?
25W100-3 is cataloged in the U.S. Government catalog under NSN 5310-00-020-3205. This indicates validated use in U.S. government and defense supply chains.
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