The Adapter,splined, cataloged under National Stock Number 3040-01-026-2995, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is O T S I. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-026-2995 |
| Primary Part Number | C-49761 |
| Item Name | Adapter,splined |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | O T S I |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,AISI 17-4PH,COND A,HEAT TREAT AT 975 DEG F FOR 4 HRS PER MIL-H-6875,3.125 IN. O/A LG,SPLINED END 13 EXTERNAL INVOLUTE TEETH,30 DEG PRESSURE ANGLE,16/32 DIAMETRAL PITCH,0.8125 IN. PITCH DIA,0.856 IN. MAJOR DIA,0.7335 IN. MINOR DIA,0.938 IN. EFFECTIVE LG TEETH,PLAIN END 1.250 IN. DIA,WITH 3.000 IN. LG,0.252 IN. W,0.125 IN. DEEP KEYWAY 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 |
|---|---|
| C-49761 PRIMARY | O T S I (USA) |
NSN 3040-01-026-2995 is a Adapter,splined, manufactured by O T S I, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-026-2995 has 1 manufacturer part number on file: C-49761 (O T S I).
Key specifications for C-49761: General Characteristics Item Description: CRES,AISI 17-4PH,COND A,HEAT TREAT AT 975 DEG F FOR 4 HRS PER MIL-H-6875,3.125 IN. O/A LG,SPLINED END 13 EXTERNAL INVOLUTE TEETH,30 DEG PRESSURE ANGLE,16/32 DIAMETRAL PITCH,0.8125 IN. PITCH DIA,0.856 IN. MAJOR DIA,0.7335 IN. MINOR DIA,0.938 IN. EFFECTIVE LG TEETH,PLAIN END 1.250 IN. DIA,WITH 3.000 IN. LG,0.252 IN. W,0.125 IN. DEEP KEYWAY 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.