The Valve,poppet,engine, cataloged under National Stock Number 2805-00-734-6481, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 20 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. 2 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 | 2805-00-734-6481 |
| Primary Part Number | 7346481 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Stem Diameter | 0.5575 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM IN |
| Head Height | 0.2730 INCHES MINIMUM AND 0.2830 INCHES MAXIMUM IN |
| Stem Length | 6.6585 INCHES MINIMUM AND 6.6735 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0200 INCHES NOMINAL IN |
| Neck Radius | 0.7500 INCHES NOMINAL IN |
| Groove Diameter | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 56.0 ROCKWELL C NOMINAL TIP |
| Material Document and Classification | AMS 5682 ASSN STD SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | AMS5700 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | AMS5700 ASSN STD SINGLE MATERIAL RESPONSE TIP |
| Outside Diameter | 2.2276 INCHES MINIMUM AND 2.2286 INCHES MAXIMUM IN |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Unable to Decode | UNABLE TO DECODE |
| Material | NICKEL ALL0Y UNS N06003 HEAD |
| Material | STEEL COMP EV-9 SEAT |
| Material | STEEL COMP EV-9 TIP |
| Groove Width | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-734-6481 is a Valve,poppet,engine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-734-6481 has 2 manufacturer part numbers on file: 517457 (Renk America Llc Div Renk America), 7346481 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5355-01-356-0484, 7050-01-543-3876. Verify interchangeability with system specifications before substitution.
Key specifications for 7346481: Stem Diameter: 0.5575 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM IN; Head Height: 0.2730 INCHES MINIMUM AND 0.2830 INCHES MAXIMUM IN; Stem Length: 6.6585 INCHES MINIMUM AND 6.6735 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0. 20 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.