The Cap Assembly,vent, cataloged under National Stock Number 4730-01-147-1383, 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 Nelson Aero Space, Inc.. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-147-1383 |
| Primary Part Number | 7M35L3 |
| Item Name | Cap Assembly,vent |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Nelson Aero Space, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; CONSISTS OF 1 NUT,TUBE COUPLING; AN818-3D; 1 SLEEVE,FLARED,TUBE FITTING; MS20819-3; 1 COLLAR; 7M36-3; AND 1 SCREEN; 7M37-3; 0.900 IN. LG O/A; 0.438 IN. ACROSS WRENCHING FLATS; WITH 2 LOCKWIRE HOLES 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 |
|---|---|
| 7M35L3 PRIMARY | Nelson Aero Space, Inc. (USA) |
| 7M35L3 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M35L3 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M35L3 | Hydro-Fitting Manufacturing Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7M35L3 | 5/9 Secondary reference Crown Fitting Co Inc |
| 7M35L3 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M35 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 7M35L3 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 4730-01-147-1383 is a Cap Assembly,vent, manufactured by Nelson Aero Space, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-147-1383 has 4 manufacturer part numbers on file: 7M35L3 (Nelson Aero Space, Inc.), 7M35L3 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M35L3 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M35L3 (Hydro-Fitting Manufacturing Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-216-9884. Verify interchangeability with system specifications before substitution.
Key specifications for 7M35L3: General Characteristics Item Description: ALUMINUM ALLOY; CONSISTS OF 1 NUT,TUBE COUPLING; AN818-3D; 1 SLEEVE,FLARED,TUBE FITTING; MS20819-3; 1 COLLAR; 7M36-3; AND 1 SCREEN; 7M37-3; 0.900 IN. LG O/A; 0.438 IN. ACROSS WRENCHING FLATS; WITH 2 LOCKWIRE HOLES 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.