The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-131-3091, 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 Howmet Global Fastening Systems Inc Div Rosan / Eagle Products. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-131-3091 |
| Primary Part Number | RF5012-06-13 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | EVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | CUSHION SEAL (TUBE) FIRST END |
| Nominal Overall Length | 1.278 INCHES IN |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Nominal Thread Size | 0.813 INCHES SECOND END IN |
| Specification/standard Data | 76301-ST7-400 MANUFACTURERS STANDARD |
| Surface Treatment | LUBRICANT DRY FILM BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNJEF SECOND END |
| Thread Series Designator | UNJS FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| RF5012-06-13 PRIMARY | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA) |
| ST7M400 PRIMARY | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA) |
| Reference | Meaning |
|---|---|
| ST7M400T1206 | 5/9 Secondary reference The Boeing Company Div Defense |
| RF5012-06-13 | 5/9 Secondary reference U.S. Government activity |
| 10108693 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M400 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-131-3091 is a Adapter,straight,tube to Boss, manufactured by Howmet Global Fastening Systems Inc Div Rosan / Eagle Products, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-131-3091 has 2 manufacturer part numbers on file: RF5012-06-13 (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products), ST7M400 (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-133-7356, 4730-01-170-9163, 4730-01-172-8232. Verify interchangeability with system specifications before substitution.
Key specifications for RF5012-06-13: Surface Treatment Document and Classification: EVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: CUSHION SEAL (TUBE) FIRST END; Nominal Overall Length: 1.278 INCHES IN. 18 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 4730-01-131-3091 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.