PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1851Stud,lock Pin Fastener

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 5325-00-148-5509 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-148-5509 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-148-5509. Primary manufacturer part number: 1851.
Features
  • Stud,lock Pin Fastener — FSC 5325
  • Thread Size and Series/type Designator: 0.312-24 UNF
  • 1 verified cross-reference
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Stud,lock Pin Fastener, cataloged under National Stock Number 5325-00-148-5509, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-148-5509
Primary Part Number1851
Item NameStud,lock Pin Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
Thread Size and Series/type Designator0.312-24 UNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1730005-500-0001 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3110-00-117-05711851 INTERCHANGEABLE
Bearing,ball,annular
Pierce Co Inc the Sub of Avis Industrial Corp
5960-00-188-3921 INTERCHANGEABLE
Electron Tube
3455-00-241-303817531 INTERCHANGEABLE
Cutter,milling,angle
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
1630-00-394-1598G185-1 INTERCHANGEABLE
Ring,wheel Flinger
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6150-00-424-60851851 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Mission Systems Davenport Inc.
2520-00-495-709818-5-1 INTERCHANGEABLE
Gear
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
3020-00-540-44491851 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5120-00-640-6725185-1X INTERCHANGEABLE
Bit,screwdriver
Apex Tool Group, Llc
4820-00-800-6156 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
1851 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
4820-00-036-1730INTERCHANGEABLE
DISK,VALVE
005-500-0001
3110-00-117-0571INTERCHANGEABLE
BEARING,BALL,ANNULAR
1851
5960-00-188-3921INTERCHANGEABLE
ELECTRON TUBE
3455-00-241-3038INTERCHANGEABLE
CUTTER,MILLING,ANGLE
17531
1630-00-394-1598INTERCHANGEABLE
RING,WHEEL FLINGER
G185-1
6150-00-424-6085INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1851
2520-00-495-7098INTERCHANGEABLE
GEAR
18-5-1
3020-00-540-4449INTERCHANGEABLE
GEAR,SPUR
1851
5120-00-640-6725INTERCHANGEABLE
BIT,SCREWDRIVER
185-1X
4820-00-800-6156INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-00-814-4581INTERCHANGEABLE
FITTING,LUBRICATION
1851
5999-00-986-7372INTERCHANGEABLE
DELAY LINE
712810-16REVA

Frequently Asked Questions

What is NSN 5325-00-148-5509?

NSN 5325-00-148-5509 is a Stud,lock Pin Fastener, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-148-5509?

NSN 5325-00-148-5509 has 1 cross-referenced part number: 1851 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 5325-00-148-5509?

There are 12 known substitutes for 5325-00-148-5509: 4820-00-036-1730, 3110-00-117-0571, 5960-00-188-3921 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1851?

Key specifications for 1851: Thread Size and Series/type Designator: 0.312-24 UNF. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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