PartsTable
Technical Data Sheet
Download PDF

CFC1021 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CFC1021: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, recess_angle: 118.0 DEGREES MINIMUM AND 122.0 DEGREES MAXIMUM, hole_diameter: 0.502 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, outside_diameter: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN, style_designator: RECESSED, material_thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-372-9837, 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
CFC1021
NSN: 5310-01-372-9837
FSC: 5310 — Nuts and Washers
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
recess_angle118.0 DEGREES MINIMUM AND 122.0 DEGREES MAXIMUM
hole_diameter0.502 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
outside_diameter0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
style_designatorRECESSED
material_thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
material_document_and_classificationAMS 5662 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NSN5310-01-372-9837
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CFC1021 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD 1ST MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY 718 OVERALL
•
HOLE DIAMETER: 0.502 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
•
RECESS ANGLE: 118.0 DEGREES MINIMUM AND 122.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
MATERIAL THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY 718 OVERALL
HOLE DIAMETER0.502 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
RECESS ANGLE118.0 DEGREES MINIMUM AND 122.0 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 1
1451M47Same 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 CFC1021?
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 CFC1021?
CFC1021 is a WASHER,RECESSED.
What parts can replace CFC1021?
There is 1 known substitute for CFC1021: 1451M47. Substitute compatibility should be verified for your specific system.
What is the NSN for CFC1021?
CFC1021 is cataloged in the U.S. Government catalog under NSN 5310-01-372-9837. 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 — CFC1021

✓ 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.