PartsTable
Technical Data Sheet
Download PDF

MM118C6P — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MM118C6P: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL, recess_angle: 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM, hole_diameter: 0.376 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, recess_diameter: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN, outside_diameter: 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-385-3780, 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
MM118C6P
NSN: 5310-01-385-3780
FSC: 5310 — Nuts and Washers
CAGE: 58009 — MOELLER MANUFACTURING & SUPPLY, LLC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
recess_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
hole_diameter0.376 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
recess_diameter0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
outside_diameter0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
material_document_and_classificationAMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5797 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-385-3780
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MM118C6P · 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 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5797 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: IRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5797 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
MATERIAL THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
RECESS DIAMETER0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALIRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
HOLE DIAMETER0.376 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
RECESS ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
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 4
VN948BC6CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS19879C6PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
03A257C6PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NS202860C-6PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy MM118C6P?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MM118C6P?
MM118C6P is a WASHER,RECESSED.
What parts can replace MM118C6P?
There are 4 known substitutes for MM118C6P: VN948BC6C, AS19879C6P, 03A257C6P and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MM118C6P?
MM118C6P is cataloged in the U.S. Government catalog under NSN 5310-01-385-3780. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MM118C6P

✓ PartsTable — the parts reference. Every fact cited to its source.
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.