NSN 5331-01-544-5512 · NIIN 015445512 · Part number 939-00
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 55378
Government record, cited
NSN 5331-01-544-5512 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-544-5512. Manufacturer of record part number: 939-00.
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
3 manufacturer part numbers on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 5331-01-544-5512
NIIN: 015445512
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 939-00
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-01-544-5512, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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
5331-01-544-5512
Primary Part Number
939-00
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING
Frequently Asked Questions
What is NSN 5331-01-544-5512?
NSN 5331-01-544-5512 is a O-Ring, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-544-5512?
NSN 5331-01-544-5512 has 3 manufacturer part numbers on file: 40741PC16 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 939-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40741PC28 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What are the specifications of 939-00?
Key specifications for 939-00: End Item Identification: 1/4 IN. REGULATING VALVE IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is documented in the U.S. Government catalog.
Is NSN 5331-01-544-5512 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.