NSN 5310-00-172-4305 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-172-4305. Manufacturer of record part number: 23915.
Also searched as5310-00-172-4305 ·
5310001724305 ·
NIIN 001724305 ·
00-172-4305 ·
FSC 5310 Nuts and Washers · CAGE 78710 · 23915 · 9296882
The Washer,flat, cataloged under National Stock Number 5310-00-172-4305, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5310-00-172-4305
Primary Part Number
23915
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Triumph Controls, Llc Dba Triumph Controls, Llc
Status
ACTIVE
Overall Diameter
0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
Material Document and Classification
AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL COMP 8617 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
Thickness
0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
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.
5360-00-181-385123915POSSIBLE MATCH
SPRING,HELICAL,EXTENSION
Possible match (shared part number)Cae Usa Inc.
6220-00-788-117823915POSSIBLE MATCH
LIGHT,COCKPIT,AIRCRAFT
Possible match (shared part number)Grimes Aerospace Company
5360-01-318-189423915POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6640-01-583-088723915POSSIBLE MATCH
TUBE,DRYING,LABORATORY
Possible match (shared part number)Mettler-Toledo Llc
NSN 5310-00-172-4305 is a Washer,flat, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-172-4305?
NSN 5310-00-172-4305 has 2 manufacturer part numbers on file: 23915 (Triumph Controls, Llc Dba Triumph Controls, Llc), 23915 (Satair A/s).
What NSN replaces 5310-00-172-4305?
4 possible matches (shared part number, not a government interchangeability claim): 5360-00-181-3851, 6220-00-788-1178, 5360-01-318-1894. Verify interchangeability with system specifications before substitution.
What are the specifications of 23915?
Key specifications for 23915: Overall Diameter: 0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Material Document and Classification: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-172-4305 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.