The Washer,flat, cataloged under National Stock Number 5310-01-175-3745, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-175-3745 |
| Primary Part Number | 12614997 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Outside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment Document and Classification | MIL-STD-171 FINISH 5.3.1.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 172.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM A108 GR 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Right Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment | PHOSPHATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1045 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 118.0 MILLIMETERS NOMINAL MM |
| Thickness | 12.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5068622 | Bae Systems Bofors Ab (SWE) |
| 565068622000 | Leonardo Spa Divisione Sistemi Di Difesa (ITA) |
| 12614997 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 5068622 | 5/9 Secondary reference Bofors Ab |
NSN 5310-01-175-3745 is a Washer,flat, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-175-3745 has 3 manufacturer part numbers on file: 5068622 (Bae Systems Bofors Ab), 565068622000 (Leonardo Spa Divisione Sistemi Di Difesa), 12614997 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12614997: Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Surface Treatment Document and Classification: MIL-STD-171 FINISH 5.3.1.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 172.0 MILLIMETERS NOMINAL MM; Material Document and Classification: ASTM A108 GR 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.