The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-035-5482, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-035-5482 |
| Primary Part Number | 50807 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| First Step Diameter | 0.8450 INCHES MINIMUM AND 0.8550 INCHES MAXIMUM IN |
| End Diameter | 0.6550 INCHES MINIMUM AND 0.6650 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 0.2500 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Counterbore Length | 0.2820 INCHES NOMINAL IN |
| Counterbore Diameter | 0.5630 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 50807 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 887F050048 ITEM 12 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887B050807 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 887B050807 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5340-01-035-5482 is a Seat,helical Compression Spring, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-035-5482 has 2 manufacturer part numbers on file: 50807 (L3 Technologies, Inc. Div L3 Keo), 887F050048 ITEM 12 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-412-6414, 5330-01-601-6210. Verify interchangeability with system specifications before substitution.
Key specifications for 50807: Overall Height: 0.2970 INCHES MINIMUM AND 0.3270 INCHES MAXIMUM IN; First Step Diameter: 0.8450 INCHES MINIMUM AND 0.8550 INCHES MAXIMUM IN; End Diameter: 0.6550 INCHES MINIMUM AND 0.6650 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.