PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42FBN1032ANut,self-Locking,barrel

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-527-3796 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-527-3796 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-527-3796. Primary manufacturer part number: 42FBN1032A.
Features
  • Nut,self-Locking,barrel — FSC 5310
  • Nut Length: 0.406 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
  • Nut Diameter: 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Material: STEEL OVERALL EXCEPT INSERT
  • Nominal Thread Size: 0.190 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-00-527-3796, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-527-3796
Primary Part Number42FBN1032A
Item NameNut,self-Locking,barrel
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
Nut Length0.406 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Nut Diameter0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Thread Quantity Per Inch32
MaterialSTEEL OVERALL EXCEPT INSERT
Nominal Thread Size0.190 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Nut Height0.374 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut StyleNON-FLOATING SELF-LOCKING BARREL
Thread Class3B
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Barrel Height0.265 INCHES NOMINAL IN
Temp Rating250.0 FAHRENHEIT MAXIMUM DEGF
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5325-00-290-4478 INTERCHANGEABLE
Insert,screw Thread
5310-00-404-50742452-02 INTERCHANGEABLE
Nut,self-Locking,barrel
Sps Technologies, Llc Dba PB Fasteners
5305-00-411-0683 INTERCHANGEABLE
Screw,machine
5970-00-756-188824520-2 INTERCHANGEABLE
Insulator,plate
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
2520-01-507-4071802747 INTERCHANGEABLE
Cover Assembly,transmission
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
10121455 Nimikkeistokeskus Ncb Finland (FIN)
42FBN1032A PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
KS4628-3 Howmet Global Fastening Systems Inc (USA)
K54628-3 Klx Aerospace Solutions II SAS (FRA)
K54628-3 Satair A/s (DNK)
2452-02 Harvard Industries Inc (USA)
3M155-3 The Boeing Company Div Defense (USA)
SLN169-3 PRIMARY Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA)
SL4176-3 PRIMARY Sps Technologies Llc Dba Shur-Lok Company Div Aerospace Engineered Products Division (USA)
K54628-3 PRIMARY Howmet Global Fastening Systems Inc (USA)
BN00924-3 PRIMARY Bristol Industries, Llc (USA)
Related Parts
5325-00-290-4478INTERCHANGEABLE
INSERT,SCREW THREAD
5310-00-404-5074INTERCHANGEABLE
NUT,SELF-LOCKING,BARREL
2452-02
5305-00-411-0683INTERCHANGEABLE
SCREW,MACHINE
5970-00-756-1888INTERCHANGEABLE
INSULATOR,PLATE
24520-2
2520-01-507-4071INTERCHANGEABLE
COVER ASSEMBLY,TRANSMISSION
802747

Frequently Asked Questions

What is NSN 5310-00-527-3796?

NSN 5310-00-527-3796 is a Nut,self-Locking,barrel, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-527-3796?

NSN 5310-00-527-3796 has 11 cross-referenced part numbers: 10121455 (Nimikkeistokeskus Ncb Finland), 42FBN1032A (Sps Technologies, Llc Dba PB Fasteners), KS4628-3 (Howmet Global Fastening Systems Inc), K54628-3 (Klx Aerospace Solutions II SAS), K54628-3 (Satair A/s) and 6 more.

What NSN replaces 5310-00-527-3796?

There are 5 known substitutes for 5310-00-527-3796: 5325-00-290-4478, 5310-00-404-5074, 5305-00-411-0683 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42FBN1032A?

Key specifications for 42FBN1032A: Nut Length: 0.406 INCHES NOMINAL IN; Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT; Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT; Nut Diameter: 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-527-3796 still in active supply?

NSN 5310-00-527-3796 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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