The Nut,union, cataloged under National Stock Number 4730-01-314-8807, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Photographic Engineering. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-314-8807 |
| Primary Part Number | 810-2145528 PC1 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Photographic Engineering |
| Status | ACTIVE |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION C |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.563 INCHES IN |
| Nut Height | 0.438 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 810-2145528 PC1 PRIMARY | Photographic Engineering (USA) |
| Reference | Meaning |
|---|---|
| 810-2145528 PIE | C/1 Advisory reference — outside the item-of-supply concept Nucraloy Corp |
| 516-5486653 F60 | 5/9 Secondary reference Nucraloy Corp |
| 810-2145528 | D/9 Drawing number reference only Photographic Engineering |
| 516-5486653 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-314-8807 is a Nut,union, manufactured by Photographic Engineering, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-314-8807 has 1 manufacturer part number on file: 810-2145528 PC1 (Photographic Engineering).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-314-8813, 4730-01-314-8820, 4730-01-314-8821. Verify interchangeability with system specifications before substitution.
Key specifications for 810-2145528 PC1: Width Across Flats: 0.688 INCHES NOMINAL IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION C; Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL. 11 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.