NSN 5315-00-243-4739 · NIIN 002434739 · Part number 56791
Eaton Aerospace, Llc Dba Jackson South · FSC 5315 — Nails, Machine Keys, and Pins · FSG 53 — Hardware and Abrasives · CAGE 62983
Government record, cited
NSN 5315-00-243-4739 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-243-4739. Manufacturer of record part number: 56791.
Also searched as5315-00-243-4739 ·
5315002434739 ·
NIIN 002434739 ·
00-243-4739 ·
FSC 5315 Nails, Machine Keys, and Pins · CAGE 62983 · 56791 · B56791
Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Starting Edge Shape: STRAIGHT
Style Designator: PLAIN
Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Material: STEEL COMP 1085 OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South
Identification
NSN: 5315-00-243-4739
NIIN: 002434739
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
Primary part number: 56791
Manufacturer: Eaton Aerospace, Llc Dba Jackson South
General Description
The Key,machine, cataloged under National Stock Number 5315-00-243-4739, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 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. 3 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
5315-00-243-4739
Primary Part Number
56791
Item Name
Key,machine
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
Manufacturer
Eaton Aerospace, Llc Dba Jackson South
Status
ACTIVE
Hardness Rating
40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Starting Edge Shape
STRAIGHT
Style Designator
PLAIN
Material Document and Classification
AISI ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Material
STEEL COMP 1085 OVERALL
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3530-00-807-3038POSSIBLE MATCH
TENSIONER
Possible match (shared part number)
5930-00-835-07071125L30W4POSSIBLE MATCH
SWITCH,PUSH
Possible match (shared part number)Electro-Mech Components, Inc. Dba Electro-Mech Components Inc
4730-01-527-9266N56794POSSIBLE MATCH
STRAINER BODY,SEDIMENT
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
NSN 5315-00-243-4739 is a Key,machine, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What part numbers are listed for NSN 5315-00-243-4739?
NSN 5315-00-243-4739 has 2 manufacturer part numbers on file: B56791 (Eaton Aerospace, Llc Dba Jackson South), 56791 (Eaton Aerospace, Llc Dba Jackson South).
What NSN replaces 5315-00-243-4739?
3 possible matches (shared part number, not a government interchangeability claim): 3530-00-807-3038, 5930-00-835-0707, 4730-01-527-9266. Verify interchangeability with system specifications before substitution.
What are the specifications of 56791?
Key specifications for 56791: Overall Height: 0.250 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Starting Edge Shape: STRAIGHT; Style Designator: PLAIN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5315-00-243-4739 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.