The Locknut,coupling, cataloged under National Stock Number 5310-00-775-6004, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-775-6004 |
| Primary Part Number | Q104 |
| Item Name | Locknut,coupling |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,2.500 IN. OD,0.625 IN. THK,WITH @2 ALLEN HEAD SETSCREWS 0.375-16 UNC RH THREAD,ID THD 1.000-12 UNF RH 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 |
|---|---|
| R745PC31 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R747ITEM10 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Q104 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R743PC31 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 709B0004 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 709B0004F051A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-775-6004 is a Locknut,coupling, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-775-6004 has 4 manufacturer part numbers on file: R745PC31 (Circor Naval Solutions Llc Dba Warren Pumps), R747ITEM10 (Circor Naval Solutions Llc Dba Warren Pumps), Q104 (Circor Naval Solutions Llc Dba Warren Pumps), R743PC31 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for Q104: General Characteristics Item Description: STEEL,2.500 IN. OD,0.625 IN. THK,WITH @2 ALLEN HEAD SETSCREWS 0.375-16 UNC RH THREAD,ID THD 1.000-12 UNF RH IN. 1 specification is 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.