PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2129Standoff,threaded,spacing

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5340-00-725-1901 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-725-1901 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-725-1901. Primary manufacturer part number: 2129.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Material: COPPER ALLOY OVERALL
  • Style Designator: INTERNALLY THREADED FULL LENGTH
  • Length: 1.000 INCHES NOMINAL IN
  • Cross-Sectional Shape: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Diameter: 0.250 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-725-1901, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-725-1901
Primary Part Number2129
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorINTERNALLY THREADED FULL LENGTH
Length1.000 INCHES NOMINAL IN
Cross-Sectional ShapeROUND
Surface TreatmentCADMIUM OVERALL
Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
3110-00-155-65092361204 INTERCHANGEABLE
Bearing,roller,cylindrical
Fairbanks Morse, Llc
4820-00-263-91195698 INTERCHANGEABLE
Valve,gate
Rosco Mfg Co
5331-00-265-1097MS29513-129 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-268-91510250 SZ 1/4 IN INTERCHANGEABLE
Valve,gate
Fairbanks Co the
4820-00-268-91520250 SZ 3/8 IN INTERCHANGEABLE
Valve,gate
Fairbanks Co the
9540-00-287-9426 INTERCHANGEABLE
Channel,structural
4820-00-288-7244 INTERCHANGEABLE
Valve,gate
4820-00-595-385614358-C INTERCHANGEABLE
Valve,gate
Blue Tee Corp. Dba Gefco
6145-00-630-0387M27500-16B4U00 INTERCHANGEABLE
Cable,power,electrical
National Electrical Mfrs Assn Dba Nema
3020-00-679-0273 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
2129 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
2129 Dialight Corporation (USA)
Related Parts
3110-00-155-6509INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
2361204
4820-00-263-9119INTERCHANGEABLE
VALVE,GATE
5698
5331-00-265-1097INTERCHANGEABLE
O-RING
MS29513-129
4820-00-268-9151INTERCHANGEABLE
VALVE,GATE
0250 SZ 1/4 IN
4820-00-268-9152INTERCHANGEABLE
VALVE,GATE
0250 SZ 3/8 IN
9540-00-287-9426INTERCHANGEABLE
CHANNEL,STRUCTURAL
4820-00-288-7244INTERCHANGEABLE
VALVE,GATE
4820-00-595-3856INTERCHANGEABLE
VALVE,GATE
14358-C
6145-00-630-0387INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
M27500-16B4U00
3020-00-679-0273INTERCHANGEABLE
GEAR,SPUR
5330-00-737-6904INTERCHANGEABLE
GASKET
7376904
5315-00-830-6703INTERCHANGEABLE
PIN
2UU01356

Frequently Asked Questions

What is NSN 5340-00-725-1901?

NSN 5340-00-725-1901 is a Standoff,threaded,spacing, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-725-1901?

NSN 5340-00-725-1901 has 2 cross-referenced part numbers: 2129 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 2129 (Dialight Corporation).

What NSN replaces 5340-00-725-1901?

There are 12 known substitutes for 5340-00-725-1901: 3110-00-155-6509, 4820-00-263-9119, 5331-00-265-1097 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2129?

Key specifications for 2129: Material: COPPER ALLOY OVERALL; Style Designator: INTERNALLY THREADED FULL LENGTH; Length: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape: ROUND. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com