NSN 3040-00-651-0778 · NIIN 006510778 · Part number 31708P1
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 77445
Government record, cited
NSN 3040-00-651-0778 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-651-0778. Manufacturer of record part number: 31708P1.
Also searched as3040-00-651-0778 ·
3040006510778 ·
NIIN 006510778 ·
00-651-0778 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 77445 · 31708P1
First End Diameter: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
Second End Diameter: 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN
Largest Step Diameter: 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN
First End Style: PLAIN
Material Document and Classification: AMS 6328 ASSN STD SINGLE MATERIAL RESPONSE
Identification
NSN: 3040-00-651-0778
NIIN: 006510778
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 31708P1
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-00-651-0778, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-00-651-0778
Primary Part Number
31708P1
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
FSC Application Data
ACFT ENG R1830
Step Quantity
5
First End Diameter
0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
Second End Diameter
1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN
Largest Step Diameter
1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-00-651-0778?
NSN 3040-00-651-0778 is a Shaft,shouldered, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-00-651-0778?
NSN 3040-00-651-0778 has 2 manufacturer part numbers on file: 31708P1 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 31708P1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 31708P1?
Key specifications for 31708P1: FSC Application Data: ACFT ENG R1830; Step Quantity: 5; First End Diameter: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; Second End Diameter: 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-651-0778 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.