NSN 5310-00-987-3378 · NIIN 009873378 · Part number C4BM10187-1
De Havilland Aircraft of Canada Limited · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 71867
Government record, cited
NSN 5310-00-987-3378 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-987-3378. Manufacturer of record part number: C4BM10187-1.
Also searched as5310-00-987-3378 ·
5310009873378 ·
NIIN 009873378 ·
00-987-3378 ·
FSC 5310 Nuts and Washers · CAGE 71867 · C4BM10187-1
Surface Treatment Document and Classification: C1 AND F1,FSCM 71867 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Outside Diameter: 1.500 INCHES NOMINAL IN
Material Thickness: 0.334 INCHES NOMINAL IN
Surface Treatment: ANODIZE OVERALL
Material: ALUMINUM ALLOY OVERALL
Hole Diameter: 0.500 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 5310-00-987-3378
NIIN: 009873378
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: C4BM10187-1
Manufacturer: De Havilland Aircraft of Canada Limited
General Description
The Washer,concave, cataloged under National Stock Number 5310-00-987-3378, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-987-3378
Primary Part Number
C4BM10187-1
Item Name
Washer,concave
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
De Havilland Aircraft of Canada Limited
Status
ACTIVE
Surface Treatment Document and Classification
C1 AND F1,FSCM 71867 MFR REF SINGLE TREATMENT RESPONSE OVERALL
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 5310-00-987-3378?
NSN 5310-00-987-3378 is a Washer,concave, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-987-3378?
NSN 5310-00-987-3378 has 1 manufacturer part number on file: C4BM10187-1 (De Havilland Aircraft of Canada Limited).
What are the specifications of C4BM10187-1?
Key specifications for C4BM10187-1: Surface Treatment Document and Classification: C1 AND F1,FSCM 71867 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 1.500 INCHES NOMINAL IN; Material Thickness: 0.334 INCHES NOMINAL IN; Surface Treatment: ANODIZE OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-987-3378 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.