The Washer,recessed, cataloged under National Stock Number 5310-01-108-7554, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-108-7554 |
| Primary Part Number | 74A450698-2001 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Radius | 0.060 INCHES NOMINAL IN |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.490 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Recess Diameter | 1.312 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Hole Diameter | 1.015 INCHES NOMINAL IN |
| 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 |
|---|---|
| 74A450698-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450698-2001 | Circor Aerospace, Inc. Div Circor (USA) |
| 74A450698-2001 | Heroux-Devtek Inc (CAN) |
| 74A450698-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A450698-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 10154038 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450698-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450698-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
NSN 5310-01-108-7554 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-108-7554 has 4 manufacturer part numbers on file: 74A450698-2001 (Safran Landing Systems Canada Inc.), 74A450698-2001 (Circor Aerospace, Inc. Div Circor), 74A450698-2001 (Heroux-Devtek Inc), 74A450698-2001 (The Boeing Company Div Defense).
Key specifications for 74A450698-2001: Overall Height: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Radius: 0.060 INCHES NOMINAL IN; Style Designator: RECESSED; Material Document and Classification: AMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 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.