PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CL-7-FNNut,plain,extended Washer,hexago

Carr Lane Manufacturing Co · NSN 5310-01-273-6258 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-273-6258 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-273-6258. Primary manufacturer part number: CL-7-FN.
Features
  • Nut,plain,extended Washer,hexago — FSC 5310
  • Features Provided: CASEHARDENED
  • Thread Quantity Per Inch: 8
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 1.000 INCHES IN
  • Surface Treatment Document and Classification: MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Material: STEEL COMP 1213 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1213 Overall construction
General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-273-6258, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carr Lane Manufacturing Co. Government technical data includes 13 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-273-6258
Primary Part NumberCL-7-FN
Item NameNut,plain,extended Washer,hexago
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCarr Lane Manufacturing Co
StatusCANCELLED
Features ProvidedCASEHARDENED
Thread Quantity Per Inch8
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size1.000 INCHES IN
Surface Treatment Document and ClassificationMIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
MaterialSTEEL COMP 1213 OVERALL
Thread Class2B
Thread DirectionRIGHT-HAND
Width Across Flats1.625 INCHES NOMINAL IN
Nut StyleHEXAGON
Washer Outside Diameter2.000 INCHES NOMINAL IN
Washer Thickness0.270 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-144-8663 INTERCHANGEABLE
Bearing,ball,annular
1730-00-238-803415009 INTERCHANGEABLE
Lever,high Reach Tr
Time Manufacturing Company Dba Time Manufacturing Company
5977-00-250-7651 INTERCHANGEABLE
Brush,electrical Contact
5310-00-259-114070208 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Devlieg Bullard II, Inc. Dba Tooling Systems Division
5133-00-262-2157 INTERCHANGEABLE
Drill,twist
5320-00-262-7698NAS1500-09 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2805-00-363-772801008 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
5935-00-390-857015009 INTERCHANGEABLE
Adapter,connector
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5331-00-599-3036114332-9 INTERCHANGEABLE
O-Ring
Hydro-Aire Aerospace Corp
6520-01-003-2277665744 INTERCHANGEABLE
Bur,dental,excavating
Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division
Cross-Reference Index
Part NumberManufacturer
CL-7-FN PRIMARY Carr Lane Manufacturing Co (USA)
15009 Northwestern Tools, Inc. (USA)
Related Parts
3110-00-144-8663INTERCHANGEABLE
BEARING,BALL,ANNULAR
1730-00-238-8034INTERCHANGEABLE
LEVER,HIGH REACH TR
15009
5977-00-250-7651INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5310-00-259-1140INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
70208
5133-00-262-2157INTERCHANGEABLE
DRILL,TWIST
5320-00-262-7698INTERCHANGEABLE
PIN-RIVET
NAS1500-09
2805-00-363-7728INTERCHANGEABLE
GUIDE,VALVE STEM
01008
5935-00-390-8570INTERCHANGEABLE
ADAPTER,CONNECTOR
15009
5331-00-599-3036INTERCHANGEABLE
O-RING
114332-9
6520-01-003-2277INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
665744
2520-01-174-9287INTERCHANGEABLE
GEAR ASSEMBLY,TRANS
5740222
5331-01-188-3071INTERCHANGEABLE
O-RING
15374

Frequently Asked Questions

What is NSN 5310-01-273-6258?

NSN 5310-01-273-6258 is a Nut,plain,extended Washer,hexago, manufactured by Carr Lane Manufacturing Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-273-6258?

NSN 5310-01-273-6258 has 2 cross-referenced part numbers: CL-7-FN (Carr Lane Manufacturing Co), 15009 (Northwestern Tools, Inc.).

What NSN replaces 5310-01-273-6258?

There are 12 known substitutes for 5310-01-273-6258: 3110-00-144-8663, 1730-00-238-8034, 5977-00-250-7651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CL-7-FN?

Key specifications for CL-7-FN: Features Provided: CASEHARDENED; Thread Quantity Per Inch: 8; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 1.000 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-273-6258 still in active supply?

NSN 5310-01-273-6258 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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