PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B270-5Nut,plain,cap

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 5310-00-825-2498 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-825-2498 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-825-2498. Primary manufacturer part number: B270-5.
Features
  • Nut,plain,cap — FSC 5310
  • Thread Class: 2B
  • Thread Quantity Per Inch: 27
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Series: UNS
  • Material: COPPER ALLOY OVERALL
  • Surface Treatment: NICKEL OVERALL
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 5310-00-825-2498, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-825-2498
Primary Part NumberB270-5
Item NameNut,plain,cap
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Thread Class2B
Thread Quantity Per Inch27
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.625 INCHES IN
Thread SeriesUNS
MaterialCOPPER ALLOY OVERALL
Surface TreatmentNICKEL OVERALL
Nut Height0.530 INCHES NOMINAL IN
Nut StyleCAP
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-095-4182 INTERCHANGEABLE
Nut,tube Coupling
4730-01-263-29551889583 PIECE 15 INTERCHANGEABLE
Packing Nut
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
HB270-5 Ingersoll Rand Co (USA)
B270-5 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
4730-00-095-4182INTERCHANGEABLE
NUT,TUBE COUPLING
4730-01-263-2955INTERCHANGEABLE
PACKING NUT
1889583 PIECE 15

Frequently Asked Questions

What is NSN 5310-00-825-2498?

NSN 5310-00-825-2498 is a Nut,plain,cap, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-825-2498?

NSN 5310-00-825-2498 has 2 cross-referenced part numbers: HB270-5 (Ingersoll Rand Co), B270-5 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 5310-00-825-2498?

There are 2 known substitutes for 5310-00-825-2498: 4730-00-095-4182, 4730-01-263-2955. Verify interchangeability with system specifications before substitution.

What are the specifications of B270-5?

Key specifications for B270-5: Thread Class: 2B; Thread Quantity Per Inch: 27; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.625 INCHES IN. 12 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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