NSN 3040-01-345-8920 · NIIN 013458920 · Part number 803-5184146 PC 39
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-345-8920 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-345-8920. Manufacturer of record part number: 803-5184146 PC 39.
Also searched as3040-01-345-8920 ·
3040013458920 ·
NIIN 013458920 ·
01-345-8920 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 803-5184146 PC 39 · 803-5184146 · 803-5773913 PC 18 · 5773913
Securing Hole Type and Location: THREADED ALL HOLES
Largest Diameter Length: 0.125 INCHES NOMINAL IN
Style Designator: ROUND STEPPED
Screw Thread Series Designator and Location: ALL HOLES UNF
Outside Diameter: 1.687 INCHES NOMINAL IN
Nominal Thread Size: 0.750 INCHES ALL HOLES IN
Small End Diameter: 1.248 INCHES NOMINAL IN
Identification
NSN: 3040-01-345-8920
NIIN: 013458920
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 803-5184146 PC 39
Manufacturer: Naval Sea Systems Command
General Description
The Collar,shaft, cataloged under National Stock Number 3040-01-345-8920, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-345-8920
Primary Part Number
803-5184146 PC 39
Item Name
Collar,shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Securing Hole Type and Location
THREADED ALL HOLES
Largest Diameter Length
0.125 INCHES NOMINAL IN
Style Designator
ROUND STEPPED
Screw Thread Series Designator and Location
ALL HOLES UNF
Outside Diameter
1.687 INCHES NOMINAL IN
Nominal Thread Size
0.750 INCHES ALL HOLES IN
Small End Diameter
1.248 INCHES NOMINAL IN
Securing Hole Quantity
2
Bore Diameter
0.7500 INCHES NOMINAL IN
Material
STEEL
Thickness
1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-512-7630JE146-39POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
3040-01-512-7835JE146-40POSSIBLE MATCH
SPINDLE,MECHANICALLY ACTUATED
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
2040-01-512-8516803-5184146POSSIBLE MATCH
SPRING,DOG,REST
Possible match (shared part number)Naval Sea Systems Command
3120-01-513-2315JE146-41POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
3120-01-518-7508A62401-LPD-007 PC 17POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
5340-01-682-8631803-5184144 REV A PC NO. 42POSSIBLE MATCH
HANDLE,BOW
Possible match (shared part number)Naval Sea Systems Command
5365-01-682-8954803-5184144 REV A PC NO. 61POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-9055803-5184144 REV A PC NO. 34POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-9057803-5184144 REV A PC NO. 35POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
5360-01-682-9131803-5184144 REV A PC NO. 59POSSIBLE MATCH
SPRING,HELICAL,TORSION
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-345-8920 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-345-8920?
NSN 3040-01-345-8920 has 3 manufacturer part numbers on file: 803-5184146 PC 39 (Naval Sea Systems Command), 803-5773913 PC 18 (Naval Sea Systems Command), 5773913 (Naval Sea Systems Command).
What NSN replaces 3040-01-345-8920?
11 possible matches (shared part number, not a government interchangeability claim): 3040-01-512-7630, 3040-01-512-7835, 2040-01-512-8516. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-5184146 PC 39?
Key specifications for 803-5184146 PC 39: Securing Hole Type and Location: THREADED ALL HOLES; Largest Diameter Length: 0.125 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Screw Thread Series Designator and Location: ALL HOLES UNF. 11 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-345-8920 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.