NSN 4320-01-273-1341 · NIIN 012731341 · Part number 62591
Reidville Hydraulics & Mfg Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0BTV3
Government record, cited
NSN 4320-01-273-1341 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-273-1341. Manufacturer of record part number: 62591.
Also searched as4320-01-273-1341 ·
4320012731341 ·
NIIN 012731341 ·
01-273-1341 ·
FSC 4320 Power and Hand Pumps · CAGE 0BTV3 · 62591
Nearby stock numbers← 4320-01-273-1329 Deflector, Dirt and Liquid
·
4320-01-273-1342 Piston Assembly Control →
Features
Piston Assembly Control — FSC 4320
General Characteristics Item Description: BRZ AND STEEL; 2.500 IN. DIA; 7.000 IN. O/A LG IN
2 manufacturer part numbers on file
Manufacturer of record: Reidville Hydraulics & Mfg Inc
Identification
NSN: 4320-01-273-1341
NIIN: 012731341
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 62591
Manufacturer: Reidville Hydraulics & Mfg Inc
General Description
The Piston Assembly Control, cataloged under National Stock Number 4320-01-273-1341, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Reidville Hydraulics & Mfg Inc. Government technical data includes 1 specification, 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. 5 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
4320-01-273-1341
Primary Part Number
62591
Item Name
Piston Assembly Control
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Reidville Hydraulics & Mfg Inc
Status
ACTIVE
General Characteristics Item Description
BRZ AND STEEL; 2.500 IN. DIA; 7.000 IN. O/A LG 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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-275-244462591POSSIBLE MATCH
RING,PISTON
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
1650-01-376-118462591POSSIBLE MATCH
HOUSING,LIQUID PUMP
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
6720-01-585-216962591POSSIBLE MATCH
CAMERA SYSTEM,RECONNAISSANCE
Possible match (shared part number)Aerovironment, Inc.
6220-01-657-74439489-0826POSSIBLE MATCH
LIGHT,BACKUP
Possible match (shared part number)Heil Trailer International Llc
8465-01-670-230262591POSSIBLE MATCH
HYDRATION SYSTEM
Possible match (shared part number)Camelbak Products, Llc Dba Camelbak
NSN 4320-01-273-1341 is a Piston Assembly Control, manufactured by Reidville Hydraulics & Mfg Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-273-1341?
NSN 4320-01-273-1341 has 2 manufacturer part numbers on file: 62591 (Reidville Hydraulics & Mfg Inc), 62591 (Eaton Aerospace, Llc Dba Jackson South).
What NSN replaces 4320-01-273-1341?
5 possible matches (shared part number, not a government interchangeability claim): 3040-01-275-2444, 1650-01-376-1184, 6720-01-585-2169. Verify interchangeability with system specifications before substitution.
What are the specifications of 62591?
Key specifications for 62591: General Characteristics Item Description: BRZ AND STEEL; 2.500 IN. DIA; 7.000 IN. O/A LG IN; End Item Identification: MODEL SIZE 5A STEERING PUMP A. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-273-1341 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.