The Tubing Assembly,nonmetallic, cataloged under National Stock Number 4720-01-509-8982, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-509-8982 |
| Primary Part Number | SS-8R4ST4ST4-60 |
| Item Name | Tubing Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Special Test Features | CLEAN DRY DOUBLE BAG, TAG PER MIL-STD-130 |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 2A FIRST END A |
| Test Data Document | 53711-NAVSEA 56430-AE-TED-010 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | PLASTIC TETRAFLUOROETHYLENE TUBE |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| SS-8R4ST4ST4-60 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6640965 ASSY 268 PC268-2 | 3/9 Design control — primary reference Naval Sea Systems Command |
| 2633-100-01 PC268-2 | 5/9 Secondary reference U.S. Government activity |
| SS-8R4ST4ST4-60 | 5/2 Secondary reference U.S. Government activity |
| 6640965 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-509-8982 is a Tubing Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-509-8982 has 1 manufacturer part number on file: SS-8R4ST4ST4-60 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-516-2604. Verify interchangeability with system specifications before substitution.
Key specifications for SS-8R4ST4ST4-60: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Special Test Features: CLEAN DRY DOUBLE BAG, TAG PER MIL-STD-130; End Connection Design: STRAIGHT FIRST END; Connection Type: THREADED EXTERNAL BOSS FIRST END. 13 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.