NSN 4820-00-238-5308 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-238-5308. Manufacturer of record part number: 1.
General Characteristics Item Description: BRASS,THIN LIQUIDS OR GASES,1.760 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT INTERNAL THD,OPPOSITE END 1/2-20 UNF INTERNAL THD,BRASS 2.168 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT EXTERNAL THD,OPPOSITE END 1/4-18 NPT EXTERNAL THD,SNUBBER 2.635 IN. O/A LG 0.065 IN. DIA IN
2 manufacturer part numbers on file
Manufacturer of record: Operating & Maintenance Specialties Inc
The Snubber,valve Gage, cataloged under National Stock Number 4820-00-238-5308, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Operating & Maintenance Specialties 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-238-5308
Primary Part Number
1
Item Name
Snubber,valve Gage
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Operating & Maintenance Specialties Inc
Status
ACTIVE
General Characteristics Item Description
BRASS,THIN LIQUIDS OR GASES,1.760 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT INTERNAL THD,OPPOSITE END 1/2-20 UNF INTERNAL THD,BRASS 2.168 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT EXTERNAL THD,OPPOSITE END 1/4-18 NPT EXTERNAL THD,SNUBBER 2.635 IN. O/A LG 0.065 IN. DIA 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 4820-00-238-5308?
NSN 4820-00-238-5308 is a Snubber,valve Gage, manufactured by Operating & Maintenance Specialties Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-238-5308?
NSN 4820-00-238-5308 has 2 manufacturer part numbers on file: 239-8709 (Landoll Company, Llc), 1 (Operating & Maintenance Specialties Inc).
What are the specifications of 1?
Key specifications for 1: General Characteristics Item Description: BRASS,THIN LIQUIDS OR GASES,1.760 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT INTERNAL THD,OPPOSITE END 1/2-20 UNF INTERNAL THD,BRASS 2.168 IN. O/A LG,0.750 IN. ACROSS WRENCHING FLATS,1/4-18 NPT EXTERNAL THD,OPPOSITE END 1/4-18 NPT EXTERNAL THD,SNUBBER 2.635 IN. O/A LG 0.065 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-238-5308 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.