PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BS1241PC13Nut,plain,round

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5310-00-420-7256 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-420-7256 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-420-7256. Primary manufacturer part number: BS1241PC13.
Features
  • Nut,plain,round — FSC 5310
  • Drilled Hole Diameter: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Series: UN
  • Thread Quantity Per Inch: 12
  • Hole Configuration Style: CONFIGURATION J
  • Material: COPPER ALLOY 482 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 482 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-420-7256, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 3 manufacturers, 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
NSN5310-00-420-7256
Primary Part NumberBS1241PC13
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Drilled Hole Diameter0.250 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.750 INCHES IN
Thread SeriesUN
Thread Quantity Per Inch12
Hole Configuration StyleCONFIGURATION J
MaterialCOPPER ALLOY 482 OVERALL
Nut StyleROUND
Thread DirectionRIGHT-HAND
Hole Type and Quantity2 DRILLED
Thread Class3B
Nut Thickness0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Nut Diameter1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-103-5701E54 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3110-00-156-1709 INTERCHANGEABLE
Bearing,ball,thrust
3110-00-157-1909109119-24 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-196-4357F2.5 INTERCHANGEABLE
Seal,cylinder
Ja Moody Llc
4030-00-253-9653F5 INTERCHANGEABLE
Clamp,wire Rope,bolted
Esmet Inc
4730-00-266-0543SAE J513 10-8 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5325-00-282-18751201-W320-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5961-00-491-2181F25 INTERCHANGEABLE
Semiconductor Device,diode
Semtech Corporation
5305-00-717-5467MS35307-362 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-822-0642F5 INTERCHANGEABLE
Washer,slip Joint
Sloan Valve Company
Cross-Reference Index
Part NumberManufacturer
BS536PC7 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1403PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS988PC7 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1655PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS971PC7 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS452APC7 Circor Naval Solutions Llc Dba Warren Pumps (USA)
F5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS448APC14 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1654PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS696PC45 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS530PC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
00009 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
BS1242PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1241PC13 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1489PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1402PC13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
F25 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS458APC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS964PC45 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS695PC45 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5999-00-103-5701INTERCHANGEABLE
HEATER,THERMAL RELEASE
E54
3110-00-156-1709INTERCHANGEABLE
BEARING,BALL,THRUST
3110-00-157-1909INTERCHANGEABLE
BEARING,BALL,ANNULAR
109119-24
5330-00-196-4357INTERCHANGEABLE
SEAL,CYLINDER
F2.5
4030-00-253-9653INTERCHANGEABLE
CLAMP,WIRE ROPE,BOLTED
F5
4730-00-266-0543INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 10-8 010102BA
5325-00-282-1875INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-W320-Z3C
5961-00-491-2181INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
F25
5305-00-717-5467INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-362
5330-00-822-0642INTERCHANGEABLE
WASHER,SLIP JOINT
F5
2530-00-972-8424INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
592214
4730-01-014-1078INTERCHANGEABLE
CLAMP,HOSE
P5S-2

Frequently Asked Questions

What is NSN 5310-00-420-7256?

NSN 5310-00-420-7256 is a Nut,plain,round, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-420-7256?

NSN 5310-00-420-7256 has 21 cross-referenced part numbers: BS536PC7 (Circor Naval Solutions Llc Dba Warren Pumps), BS1403PC13 (Circor Naval Solutions Llc Dba Warren Pumps), BS988PC7 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1655PC13 (Circor Naval Solutions Llc Dba Warren Pumps), BS971PC7 (Circor Naval Solutions Llc Dba Warren Pumps) and 16 more.

What NSN replaces 5310-00-420-7256?

There are 12 known substitutes for 5310-00-420-7256: 5999-00-103-5701, 3110-00-156-1709, 3110-00-157-1909 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BS1241PC13?

Key specifications for BS1241PC13: Drilled Hole Diameter: 0.250 INCHES NOMINAL IN; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.750 INCHES IN; Thread Series: UN. 13 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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