The Stud,spring, cataloged under National Stock Number 5307-00-972-8591, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Stud,spring |
| FSC / FSG | 5307 — Studs (FSG 53) |
| Manufacturers | L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Northrop Grumman Systems Corporation (CAGE 03956) |
| Parameter | Value |
|---|---|
| NSN | 5307-00-972-8591 |
| Primary Part Number | 003057 |
| Item Name | Stud,spring |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 003057 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| A547-616 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 547A003057 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A547-616 | 5/9 Secondary reference Chatham Precision Inc |
| A-547-616 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 003057 | 5/9 Secondary reference Chatham Precision Inc |
| 547A003057 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
NSN 5307-00-972-8591 is a Stud,spring, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-972-8591 has 3 manufacturer part numbers on file: 003057 (L3 Technologies, Inc. Div L3 Keo), A547-616 (L3 Technologies, Inc. Div L3 Keo), 547A003057 (Northrop Grumman Systems Corporation).
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.