Valve, Check 4820-01-337-1268 NSN 4820-01-337-1268 · NIIN 013371268 · Part number SS-56F4
Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9
NSN 4820-01-337-1268 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-337-1268. Manufacturer of record part number: SS-56F4 .
Also searched as
4820-01-337-1268 ·
4820013371268 ·
NIIN 013371268 ·
01-337-1268 ·
FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · SS-56F4 · 581698-001
Nearby stock numbers
← 4820-01-337-1267 Valve, Globe
·
4820-01-337-1337 Cock, Plug →
4820-01-337-1268 — Valves, Nonpowered
Features
Valve,check — FSC 4820 Material: STEEL CORROSION RESISTING BODY 2 manufacturer part numbers on file Manufacturer of record: Swagelok Co
Identification
NSN: 4820-01-337-1268
NIIN: 013371268
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SS-56F4
Manufacturer: Swagelok Co
General Description
The Valve,check, cataloged under National Stock Number 4820-01-337-1268, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-337-1268 Primary Part Number SS-56F4 Item Name Valve,check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Swagelok Co Status ACTIVE Material STEEL CORROSION RESISTING BODY
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
Cross-Reference Index
Part Number Manufacturer
SS-56F4 PRIMARY Swagelok Co (USA)
581698-001 Pacific Consolidated Industries Llc (USA)
Reference documents
Reference Meaning
SS-56F4
5/9 Secondary reference Whitey Co
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-337-1268?
NSN 4820-01-337-1268 is a Valve,check, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-337-1268?
NSN 4820-01-337-1268 has 2 manufacturer part numbers on file: SS-56F4 (Swagelok Co), 581698-001 (Pacific Consolidated Industries Llc).
What are the specifications of SS-56F4?
Key specifications for SS-56F4: Material: STEEL CORROSION RESISTING BODY. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-337-1268 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.
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