NSN 5310-01-372-9837 · NIIN 013729837 · Part number CFC1021
Howmet Global Fastening Systems Inc. Div Tridair Products · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 29372
Government record, cited
NSN 5310-01-372-9837 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-372-9837. Manufacturer of record part number: CFC1021.
Also searched as5310-01-372-9837 ·
5310013729837 ·
NIIN 013729837 ·
01-372-9837 ·
FSC 5310 Nuts and Washers · CAGE 29372 · CFC1021 · 1451M47
Nearby stock numbers← 5310-01-372-9836 Nut, Self-Locking, Plate
·
5310-01-373-0272 Nut Assembly, Self-Locking, Gang C →
5310-01-372-9837 — Nuts and Washers
Features
Washer,recessed — FSC 5310
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
Identification
NSN: 5310-01-372-9837
NIIN: 013729837
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: CFC1021
Manufacturer: Howmet Global Fastening Systems Inc. Div Tridair Products
General Description
The Washer,recessed, cataloged under National Stock Number 5310-01-372-9837, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-372-9837
Primary Part Number
CFC1021
Item Name
Washer,recessed
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Howmet Global Fastening Systems Inc. Div Tridair Products
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-372-9837?
NSN 5310-01-372-9837 is a Washer,recessed, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-372-9837?
NSN 5310-01-372-9837 has 2 manufacturer part numbers on file: CFC1021 (Howmet Global Fastening Systems Inc. Div Tridair Products), 1451M47 (General Electric Company).
What are the specifications of CFC1021?
Key specifications for CFC1021: 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. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-372-9837 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.