The Washer,flat, cataloged under National Stock Number 5310-01-139-4387, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-139-4387 |
| Primary Part Number | 16305024-001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | F-10001 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES NOMINAL IN |
| Thickness | 0.030 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 |
|---|---|
| 16305024-001 PRIMARY | Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services (USA) |
| Reference | Meaning |
|---|---|
| 526718-001 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| STD3/16 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5267518-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-139-4387 is a Washer,flat, manufactured by Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-139-4387 has 1 manufacturer part number on file: 16305024-001 (Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services).
Key specifications for 16305024-001: Overall Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: F-10001 MFR REF SINGLE 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.