The Washer,recessed, cataloged under National Stock Number 5310-00-209-2387, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Precision, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-2387 |
| Primary Part Number | 348174 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Precision, Inc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Recess Depth | 0.0625 INCHES NOMINAL IN |
| Material Thickness | 0.124 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| Recess Diameter | 1.344 INCHES MINIMUM AND 1.354 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP C1 OVERALL |
| Hole Diameter | 1.134 INCHES MINIMUM AND 1.144 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 348174 PRIMARY | International Precision, Inc (USA) |
| 348174 PRIMARY | Airborne Technologies, Inc. (USA) |
| 348174 PRIMARY | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 348174 PRIMARY | Aero Components, Llc (USA) |
| 348174 PRIMARY | Amg Aireps, Llc (USA) |
| 348174 | Heroux-Devtek Inc (CAN) |
| 348174 PRIMARY | Frazier Aviation Inc (USA) |
| 348174 PRIMARY | Astro Spar Inc. (USA) |
| 34817 PRIMARY | A and M Aerospace, Inc. (USA) |
| 348174 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 348174 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5310PL2025838 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 348174 | 5/9 Secondary reference Tactair Fluid Controls Inc Phoenix Controls Div |
NSN 5310-00-209-2387 is a Washer,recessed, manufactured by International Precision, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-2387 has 10 manufacturer part numbers on file: 348174 (International Precision, Inc), 348174 (Airborne Technologies, Inc.), 348174 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 348174 (Aero Components, Llc), 348174 (Amg Aireps, Llc) and 5 more.
7 possible matches (shared part number, not a government interchangeability claim): 1020-00-692-4321, 5962-01-087-8534, 2510-01-274-6822. Verify interchangeability with system specifications before substitution.
Key specifications for 348174: Style Designator: RECESSED; Outside Diameter: 1.875 INCHES NOMINAL IN; Recess Depth: 0.0625 INCHES NOMINAL IN; Material Thickness: 0.124 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN. 9 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.