PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

551-3-6Rivet,blind

Allfast Fastening Systems, Llc · NSN 5320-00-989-8048 · FSC 5320 · No Item Name Available
Verified by PartsTable
NSN 5320-00-989-8048 — this item is cataloged by the U.S. Government under National Stock Number 5320-00-989-8048. Primary manufacturer part number: 551-3-6.
Features
  • Rivet,blind — FSC 5320
  • Head Major Diameter: 0.175 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
  • Shank Style: PULL THROUGH HOLLOW SHANK
  • Expansion Device: KNOB STEM-TYPE K
  • Shank Diameter: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
  • Surface Treatment: ANODIZE SLEEVE
  • Material Document and Classification: QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Applications
  • Applications requiring Aluminum Alloy 5056 Sleeve construction
General Description

The Rivet,blind, cataloged under National Stock Number 5320-00-989-8048, is classified within Federal Supply Class 5320 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allfast Fastening Systems, Llc. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5320-00-989-8048
Primary Part Number551-3-6
Item NameRivet,blind
FSC / FSG5320 / 53 — No Item Name Available
ManufacturerAllfast Fastening Systems, Llc
StatusACTIVE
Head Major Diameter0.175 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Shank StylePULL THROUGH HOLLOW SHANK
Expansion DeviceKNOB STEM-TYPE K
Shank Diameter0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Surface TreatmentANODIZE SLEEVE
Material Document and ClassificationQQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE
MaterialALUMINUM ALLOY 5056 SLEEVE
MaterialSTEEL STEM
Fastener Length0.500 INCHES NOMINAL IN
Grip Length0.375 INCHES NOMINAL IN
Head StyleFLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5990-00-115-585055136 INTERCHANGEABLE
Synchro,control Transformer
Bowmar Llc Dba Bowmar Instrument Corp
3110-00-155-8418031-0008427 INTERCHANGEABLE
Bearing,ball,annular
Ncr Corporation Dba Ncr
5120-00-242-0762 INTERCHANGEABLE
Bar,wrecking
5340-00-358-34531613A INTERCHANGEABLE
Seat,helical Compression Spring
Brinkley Technology Group Llc Dba Hercules Manufacturing
5940-01-501-627255136 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
4810-01-664-089255136 INTERCHANGEABLE
Retainer,disk,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
551-3-6 Allfast Fastening Systems, Llc (USA)
551-3-6 Olympic Fastening Systems Inc (USA)
Related Parts
5990-00-115-5850INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
55136
3110-00-155-8418INTERCHANGEABLE
BEARING,BALL,ANNULAR
031-0008427
5120-00-242-0762INTERCHANGEABLE
BAR,WRECKING
5340-00-358-3453INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
1613A
5940-01-501-6272INTERCHANGEABLE
TERMINAL,LUG
55136
4810-01-664-0892INTERCHANGEABLE
RETAINER,DISK,VALVE
55136

Frequently Asked Questions

What is NSN 5320-00-989-8048?

NSN 5320-00-989-8048 is a Rivet,blind, manufactured by Allfast Fastening Systems, Llc, classified under FSC 5320 (No Item Name Available). Status: active.

What are the part numbers for NSN 5320-00-989-8048?

NSN 5320-00-989-8048 has 2 cross-referenced part numbers: 551-3-6 (Allfast Fastening Systems, Llc), 551-3-6 (Olympic Fastening Systems Inc).

What NSN replaces 5320-00-989-8048?

There are 6 known substitutes for 5320-00-989-8048: 5990-00-115-5850, 3110-00-155-8418, 5120-00-242-0762 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 551-3-6?

Key specifications for 551-3-6: Head Major Diameter: 0.175 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Shank Style: PULL THROUGH HOLLOW SHANK; Expansion Device: KNOB STEM-TYPE K; Shank Diameter: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com