The Plug,pipe, cataloged under National Stock Number 4730-00-278-2975, 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 Satair A/s. Government technical data includes 10 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through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-2975 |
| Primary Part Number | A11522 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Satair A/s |
| Status | CANCELLED |
| Head Type | SOLID |
| Nominal Pipe Size for Which Designed | 0.500 INCHES IN |
| Connection Style | PLAIN |
| Drive End Style | RECESSED HEXAGON |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES EXTERNAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Body Type | SOLID |
| Material | STEEL OVERALL |
| Thread Series Designator | ANPT EXTERNAL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A11522 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| AS125855 | 5/9 Secondary reference U.S. Government activity |
| MS27769-55 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AS125855 | 5/9 Secondary reference Aero-Detroit Inc |
| 4730PL2170089 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 69083 | 5/1 Secondary reference Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| 4730002782975 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| AS125855 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4730002782975 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS27769-5 | 2/2 Government specification standardization U.S. Government activity |
| AS125855 | 5/1 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| MIL-F-5509 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4842 | 5/1 Secondary reference Sae International Dba Sae International |
| A11522 | 5/1 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| A11522 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| AN932-5 | 5/9 Secondary reference U.S. Government activity |
| E116HCS | 5/9 Secondary reference Paccar Winch Inc Dba Paccar Winch Division |
| L6499-1 | 5/9 Secondary reference Pettibone Llc |
NSN 4730-00-278-2975 is a Plug,pipe, manufactured by Satair A/s, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-278-2975 has 1 manufacturer part number on file: A11522 (Satair A/s).
5 possible matches (shared part number, not a government interchangeability claim): 4130-00-367-2382, 3820-00-429-7949, 5920-00-889-4573. Verify interchangeability with system specifications before substitution.
Key specifications for A11522: Head Type: SOLID; Nominal Pipe Size for Which Designed: 0.500 INCHES IN; Connection Style: PLAIN; Drive End Style: RECESSED HEXAGON. 10 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.
NSN 4730-00-278-2975 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.