The Bolt,shouldered,self-Retaining, cataloged under National Stock Number 5306-00-004-1023, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-004-1023 |
| Primary Part Number | 114CS128-1 |
| Item Name | Bolt,shouldered,self-Retaining |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,MIL-S-5000,COMPOSITION 4340,CADMIUM PLATED,QQ-P-416,TYPE 2,CLASS 3,THD 3/8-24 UNJF,CLASS 3A,RH,0.420 IN. MIN,0.475 IN. MAX THD LG,4.072 IN. MIN,4.092 IN. MAX FASTENER LG,160000 MIN TS,HEXAGON EXTENDED WASHER HEAD STYLE,0.320 IN. MIN,0.360 IN.MAX HEAD H,0.740 IN. MIN,0.752 IN. MAX W BETWEEN FLATS,1.050 IN. MIN,1.070 IN. MAX EXTENDED WASHER DIA,0.50 IN. MIN,0.70 IN.MAX EXTENDED WASHER THK,3.240 IN. MIN,3.260 IN. MAX SHOULDER LG,0.748 IN. MIN,0.749 IN. MAX SHOULDER DIA,IMPEDENCE TYPE RETAINING RING,CRES,17-4 PH,AMS5643,OR 17-7 PH,AMS5644 OR AMS 5673,OR QQ-S-763,COMPOSITION 440C,PASSIVATED,QQ-P-35 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 114CS128-1 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 114CS128-1 | The Boeing Company (USA) |
| 114CS128-1 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 114CS128 | The Boeing Company (USA) |
| 106734 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 106734 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-004-1023 is a Bolt,shouldered,self-Retaining, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-004-1023 has 5 manufacturer part numbers on file: 114CS128-1 (Leonardo Spa Helicopters Division - Production Site), 114CS128-1 (The Boeing Company), 114CS128-1 (Sps Technologies, Llc Dba PB Fasteners), 114CS128 (The Boeing Company), 106734 (Sps Technologies, Llc Dba PB Fasteners).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-468-0831, 4810-01-720-9261. Verify interchangeability with system specifications before substitution.
Key specifications for 114CS128-1: General Characteristics Item Description: STEEL,MIL-S-5000,COMPOSITION 4340,CADMIUM PLATED,QQ-P-416,TYPE 2,CLASS 3,THD 3/8-24 UNJF,CLASS 3A,RH,0.420 IN. MIN,0.475 IN. MAX THD LG,4.072 IN. MIN,4.092 IN. MAX FASTENER LG,160000 MIN TS,HEXAGON EXTENDED WASHER HEAD STYLE,0.320 IN. MIN,0.360 IN.MAX HEAD H,0.740 IN. MIN,0.752 IN. MAX W BETWEEN FLATS,1.050 IN. MIN,1.070 IN. MAX EXTENDED WASHER DIA,0.50 IN. MIN,0.70 IN.MAX EXTENDED WASHER THK,3.240 IN. MIN,3.260 IN. MAX SHOULDER LG,0.748 IN. MIN,0.749 IN. MAX SHOULDER DIA,IMPEDENCE TYPE RETAINING RING,CRES,17-4 PH,AMS5643,OR 17-7 PH,AMS5644 OR AMS 5673,OR QQ-S-763,COMPOSITION 440C,PASSIVATED,QQ-P-35 A. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.