The Washer,flat, cataloged under National Stock Number 5310-01-113-3699, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-113-3699 |
| Primary Part Number | 330C858A30D4402 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 201 OR STEEL COMP 202 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 410 OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 446 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.468 INCHES NOMINAL IN |
| Thickness | 0.032 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 |
|---|---|
| 330C858A30D4402 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 10-5087 | C/1 Advisory reference — outside the item-of-supply concept Unison Industries Llc |
| 330C858A30D4402 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-113-3699 is a Washer,flat, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-113-3699 has 1 manufacturer part number on file: 330C858A30D4402 (Northrop Grumman Support Services Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4920-01-180-4180, 5310-01-376-4775. Verify interchangeability with system specifications before substitution.
Key specifications for 330C858A30D4402: Overall Diameter: 0.688 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL. 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.