The Washer,recessed, cataloged under National Stock Number 5310-01-260-1819, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-260-1819 |
| Primary Part Number | 74A410567-2003 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| Top Recess Angle | 45.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | MIL-S-8844,CLASS 1,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Bottom Recess Angle | 45.0 DEGREES NOMINAL |
| Material | STEEL COMP 4340 OVERALL |
| 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 |
|---|---|
| 74A410567-2003 | Preci-Manufacturing, Incorporated (USA) |
| 74A410567-2003 | Steelville Manufacturing Co (USA) |
| 74A410567-2003 PRIMARY | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 74A410567-2003 | Indian Aerospace, Inc. (USA) |
| 74A410567-2003 | Orc-O Tool & Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 10110234 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410567-2003 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 74A410567-2003 | 5/9 Secondary reference Acme Machine Products |
NSN 5310-01-260-1819 is a Washer,recessed, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-260-1819 has 5 manufacturer part numbers on file: 74A410567-2003 (Preci-Manufacturing, Incorporated), 74A410567-2003 (Steelville Manufacturing Co), 74A410567-2003 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 74A410567-2003 (Indian Aerospace, Inc.), 74A410567-2003 (Orc-O Tool & Machine Inc).
Key specifications for 74A410567-2003: Top Recess Angle: 45.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES; Material Document and Classification: MIL-S-8844,CLASS 1,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN. 6 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.