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NSN 5310-01-083-5903Government record, cited
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Nut, Disk Retaining5310-01-083-5903

NSN 5310-01-083-5903 · NIIN 010835903 · Part number 33311-3PC5 2IN
Velan Valve Corp. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 57574
Government record, cited
NSN 5310-01-083-5903 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-083-5903. Manufacturer of record part number: 33311-3PC5 2IN.
Also searched as  5310-01-083-5903 · 5310010835903 · NIIN 010835903 · 01-083-5903 · FSC 5310 Nuts and Washers · CAGE 57574 · 33311-3PC5 2IN · 33311-3 · BV-2201 2IN · BV-2201
Nearby stock numbers  ·
NUT + WASHER
5310-01-083-5903 — Nuts and Washers
Features
  • Nut,disk Retaining — FSC 5310
  • General Characteristics Item Description: MATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Velan Valve Corp.
Identification
  • NSN: 5310-01-083-5903
  • NIIN: 010835903
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 33311-3PC5 2IN
  • Manufacturer: Velan Valve Corp.
General Description

The Nut,disk Retaining, cataloged under National Stock Number 5310-01-083-5903, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-083-5903
Primary Part Number33311-3PC5 2IN
Item NameNut,disk Retaining
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerVelan Valve Corp.
StatusACTIVE
General Characteristics Item DescriptionMATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-129-536933311-3PC4 2IN POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-130-5373F06-3074B-02TS POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Velan Valve Corp.
4820-01-133-4119BV-2501 1 1/2IN POSSIBLE MATCH
STEM,NEEDLE VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-185-25567-BV-2001 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-205-0290BV-2501 1 1-4IN POSSIBLE MATCH
STEM,NEEDLE VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-205-0336BV-200 1 1-4IN POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-544-2195 POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
33311-3PC5 2IN PRIMARY Velan Valve Corp. (USA)
BV-2201 2IN PRIMARY Velan Valve Corp. (USA)
BV-2201 Velan Valve Corp. (USA)
Reference documents
ReferenceMeaning
33311-3 D/9 Drawing number reference only
Velan Valve Corp.
Related Parts
4820-01-129-5369POSSIBLE MATCH
DISK,VALVE
33311-3PC4 2IN
4820-01-130-5373POSSIBLE MATCH
VALVE,GLOBE
F06-3074B-02TS
4820-01-133-4119POSSIBLE MATCH
STEM,NEEDLE VALVE
BV-2501 1 1/2IN
4820-01-185-2556POSSIBLE MATCH
DISK,VALVE
7-BV-2001
4820-01-205-0290POSSIBLE MATCH
STEM,NEEDLE VALVE
BV-2501 1 1-4IN
4820-01-205-0336POSSIBLE MATCH
DISK,VALVE
BV-200 1 1-4IN
4820-01-544-2195POSSIBLE MATCH
VALVE,GLOBE

Frequently Asked Questions

What is NSN 5310-01-083-5903?

NSN 5310-01-083-5903 is a Nut,disk Retaining, manufactured by Velan Valve Corp., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-083-5903?

NSN 5310-01-083-5903 has 3 manufacturer part numbers on file: 33311-3PC5 2IN (Velan Valve Corp.), BV-2201 2IN (Velan Valve Corp.), BV-2201 (Velan Valve Corp.).

What NSN replaces 5310-01-083-5903?

7 possible matches (shared part number, not a government interchangeability claim): 4820-01-129-5369, 4820-01-130-5373, 4820-01-133-4119. Verify interchangeability with system specifications before substitution.

What are the specifications of 33311-3PC5 2IN?

Key specifications for 33311-3PC5 2IN: General Characteristics Item Description: MATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-083-5903 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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