NSN 4510-01-254-2702 — this item is cataloged by the U.S. Government under National Stock Number 4510-01-254-2702. Manufacturer of record part number: PS-20.
Also searched as4510-01-254-2702 ·
4510012542702 ·
NIIN 012542702 ·
01-254-2702 ·
FSC 4510 Plumbing Fixtures and Accessories · CAGE 02977 · PS-20
The Stop Unit Limiting, cataloged under National Stock Number 4510-01-254-2702, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Symmons Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Stop Unit Limiting
FSC / FSG
4510 — Plumbing Fixtures and Accessories (FSG 45)
Manufacturers
Symmons Industries Inc (CAGE 02977)
Technical Specifications
Parameter
Value
NSN
4510-01-254-2702
Primary Part Number
PS-20
Item Name
Stop Unit Limiting
FSC / FSG
4510 / 45 — Plumbing Fixtures and Accessories
Manufacturer
Symmons Industries Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-442-5035PS-2.0POSSIBLE MATCH
PUMP,ROTARY
Possible match (shared part number)Fenner Fluid Power Inc
5510-01-570-6526POSSIBLE MATCH
LUMBER,SOFTWOOD,DIMENSION
Possible match (shared part number)
4730-01-673-8159PS-20POSSIBLE MATCH
CLAMP,HOSE
Possible match (shared part number)Nvent Thermal Llc
6130-01-687-8155PS-20POSSIBLE MATCH
POWER SUPPLY
Possible match (shared part number)Bosch Security Systems, Inc.
NSN 4510-01-254-2702 is a Stop Unit Limiting, manufactured by Symmons Industries Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
What part numbers are listed for NSN 4510-01-254-2702?
NSN 4510-01-254-2702 has 1 manufacturer part number on file: PS-20 (Symmons Industries Inc).
What NSN replaces 4510-01-254-2702?
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-442-5035, 5510-01-570-6526, 4730-01-673-8159. Verify interchangeability with system specifications before substitution.
Is NSN 4510-01-254-2702 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.