PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B12-11Nut,plain,cap

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 5310-00-569-0997 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-569-0997 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-569-0997. Primary manufacturer part number: B12-11.
Features
  • Nut,plain,cap — FSC 5310
  • Width Across Flats: 0.750 INCHES NOMINAL IN
  • Bearing Surface Type: WASHER FACED
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.507 INCHES IN
  • Thread Series: UNF
  • Thread Direction: RIGHT-HAND
  • Nut Height: 1.186 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,cap, cataloged under National Stock Number 5310-00-569-0997, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-569-0997
Primary Part NumberB12-11
Item NameNut,plain,cap
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusACTIVE
Width Across Flats0.750 INCHES NOMINAL IN
Bearing Surface TypeWASHER FACED
Thread Quantity Per Inch20
Nominal Thread Size0.507 INCHES IN
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Nut Height1.186 INCHES NOMINAL IN
Thread Class2B
Nut StyleCAP
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-629-3289B1-211 INTERCHANGEABLE
Gear,bevel
Cessna Aircraft Co Mccauley Accessory Div
5365-01-103-2175B12-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5120-01-350-1004B-1211 INTERCHANGEABLE
Socket,socket Wrench
Williams J H Industrial Products Inc
4235-01-419-4798 INTERCHANGEABLE
Spill Containment Unit,hazardous
6130-01-560-5500B1211 INTERCHANGEABLE
Power Conversion
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
B12-11 PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
126 Ingersoll Rand Co (USA)
Related Parts
3020-00-629-3289INTERCHANGEABLE
GEAR,BEVEL
B1-211
5365-01-103-2175INTERCHANGEABLE
SPACER,SLEEVE
B12-11
5120-01-350-1004INTERCHANGEABLE
SOCKET,SOCKET WRENCH
B-1211
4235-01-419-4798INTERCHANGEABLE
SPILL CONTAINMENT UNIT,HAZARDOUS
6130-01-560-5500INTERCHANGEABLE
POWER CONVERSION
B1211

Frequently Asked Questions

What is NSN 5310-00-569-0997?

NSN 5310-00-569-0997 is a Nut,plain,cap, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-569-0997?

NSN 5310-00-569-0997 has 2 cross-referenced part numbers: B12-11 (Gas Equipment Engineering Corporation, the Dba Geeco), 126 (Ingersoll Rand Co).

What NSN replaces 5310-00-569-0997?

There are 5 known substitutes for 5310-00-569-0997: 3020-00-629-3289, 5365-01-103-2175, 5120-01-350-1004 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B12-11?

Key specifications for B12-11: Width Across Flats: 0.750 INCHES NOMINAL IN; Bearing Surface Type: WASHER FACED; Thread Quantity Per Inch: 20; Nominal Thread Size: 0.507 INCHES IN. 10 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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