The Stud,continuous Thread, cataloged under National Stock Number 5307-01-166-7136, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-166-7136 |
| Primary Part Number | 999F0937 FN 52L1 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 1.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 6 LOCATION NOT OTHERWISE SPECIFIED |
| Material | NICKEL ALLOY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| PL-999F0937 FN 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999R0501-D FIND 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999R0501 FIND 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 999F0937 FN 52L1 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999R0501-C FIND 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 999F0937 FN 52 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| TYPE I, STYLE CL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 1 3/8-6UNC-3A-3AX 8(T3 1/4B2 1L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| PL-999R0501-C FIND 52 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999R0501 FIND 52 | 3/1 Design control — primary reference Circor Naval Solutions Llc Dba Warren Pumps |
| MIL-DTL-1222 QQ-N-286 GR500L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| TYPE I, STYLE C | 4/1 Identification reference U.S. Government activity |
| PL-999F0937 FN 52 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 1 3/8-6UNC-3A-3AX 8(T3 1/4B2 1 | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-1222 QQ-N-286 GR500 | 4/1 Identification reference U.S. Government activity |
| PL-999R0501-D FIND 52 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 5307-01-166-7136 is a Stud,continuous Thread, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-166-7136 has 5 manufacturer part numbers on file: PL-999F0937 FN 52L1 (Naval Inventory Control Point Mechanicsburg), PL-999R0501-D FIND 52L1 (Naval Inventory Control Point Mechanicsburg), PL-999R0501 FIND 52L1 (Naval Inventory Control Point Mechanicsburg), 999F0937 FN 52L1 (Naval Inventory Control Point Mechanicsburg), PL-999R0501-C FIND 52L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 999F0937 FN 52L1: Criticality Code Justification: ZZZX; Material Document and Classification: QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 8.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 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.