NSN 5310-01-716-4623 · NIIN 017164623 · Part number GCP-239-9M
M.t. Davidson Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 16062
Government record, cited
NSN 5310-01-716-4623 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-716-4623. Manufacturer of record part number: GCP-239-9M.
Also searched as5310-01-716-4623 ·
5310017164623 ·
NIIN 017164623 ·
01-716-4623 ·
FSC 5310 Nuts and Washers · CAGE 16062 · GCP-239-9M · GCP-838-FLT-III REV H PC NO. 9 · GCP-838-FLT-III · A3-021-0012
The Washer,flat, cataloged under National Stock Number 5310-01-716-4623, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is M.t. Davidson Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
M.t. Davidson Company (CAGE 16062)
Technical Specifications
Parameter
Value
NSN
5310-01-716-4623
Primary Part Number
GCP-239-9M
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
M.t. Davidson Company
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5315-01-716-4658GCP-239-10POSSIBLE MATCH
KEY,MACHINE
Possible match (shared part number)M.t. Davidson Company
4820-01-717-3804GCP-838-21POSSIBLE MATCH
COCK,PLUG
Possible match (shared part number)M.t. Davidson Company
5365-01-722-1291GCP-838-34POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)M.t. Davidson Company
5365-01-722-1326GCP-838-29POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)M.t. Davidson Company
C/1Advisory reference — outside the item-of-supply concept
M.t. Davidson Company
GCP-838-FLT-III
D/9Drawing number reference only
M.t. Davidson Company
Related Parts
5315-01-716-4658POSSIBLE MATCH
KEY,MACHINE
GCP-239-10
4820-01-717-3804POSSIBLE MATCH
COCK,PLUG
GCP-838-21
5365-01-722-1291POSSIBLE MATCH
PLUG,MACHINE THREAD
GCP-838-34
5365-01-722-1326POSSIBLE MATCH
PLUG,MACHINE THREAD
GCP-838-29
Frequently Asked Questions
What is NSN 5310-01-716-4623?
NSN 5310-01-716-4623 is a Washer,flat, manufactured by M.t. Davidson Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-716-4623?
NSN 5310-01-716-4623 has 2 manufacturer part numbers on file: GCP-239-9M (M.t. Davidson Company), A3-021-0012 (M.t. Davidson Company).
What NSN replaces 5310-01-716-4623?
4 possible matches (shared part number, not a government interchangeability claim): 5315-01-716-4658, 4820-01-717-3804, 5365-01-722-1291. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-716-4623 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.