The Washer,flat, cataloged under National Stock Number 5310-00-377-5488, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-377-5488 |
| Primary Part Number | 4016498CL2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Overall Diameter | 1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5553 ASSN STD 1ST MATERIAL RESPONSE OR PWA 6000,FSCM 77445 MFR REF 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 201 OR STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.744 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN |
| Thickness | 0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM 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 |
|---|---|
| 4016498CL2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4016498CL2 | Enjet Aero Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 4016498CL2 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-377-5488 is a Washer,flat, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-377-5488 has 2 manufacturer part numbers on file: 4016498CL2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4016498CL2 (Enjet Aero Manchester Llc).
Key specifications for 4016498CL2: Overall Diameter: 1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN; Material Document and Classification: AMS 5553 ASSN STD 1ST MATERIAL RESPONSE OR PWA 6000,FSCM 77445 MFR REF 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.