NSN 4820-01-325-9689 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-325-9689. Manufacturer of record part number: 5816532.
Also searched as4820-01-325-9689 ·
4820013259689 ·
NIIN 013259689 ·
01-325-9689 ·
FSC 4820 Valves, Nonpowered · CAGE 53711 · 5816532
Outside Diameter: 1.760 INCHES MINIMUM AND 1.775 INCHES MAXIMUM IN
Aa End Diameter: 0.770 INCHES NOMINAL IN
Bore Diameter: 0.2510 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
Identification
NSN: 4820-01-325-9689
NIIN: 013259689
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5816532
Manufacturer: Naval Sea Systems Command
General Description
The Guide,valve Stem, cataloged under National Stock Number 4820-01-325-9689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-325-9689
Primary Part Number
5816532
Item Name
Guide,valve Stem
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Major Diameter Length
0.180 INCHES NOMINAL IN
Bb End Shank Diameter
0.770 INCHES NOMINAL IN
Style Designator
PLAIN-SHOULDERED
Bore Counterbore
NOT INCLUDED
Outside Diameter
1.760 INCHES MINIMUM AND 1.775 INCHES MAXIMUM IN
Aa End Diameter
0.770 INCHES NOMINAL IN
Bore Diameter
0.2510 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-325-9689?
NSN 4820-01-325-9689 is a Guide,valve Stem, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-325-9689?
NSN 4820-01-325-9689 has 1 manufacturer part number on file: 5816532 (Naval Sea Systems Command).
What are the specifications of 5816532?
Key specifications for 5816532: Major Diameter Length: 0.180 INCHES NOMINAL IN; Bb End Shank Diameter: 0.770 INCHES NOMINAL IN; Style Designator: PLAIN-SHOULDERED; Overall Length: 0.600 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-325-9689 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.