The Bolt,power Shaft,turbine Engine, cataloged under National Stock Number 5306-00-778-2261, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-778-2261 |
| Primary Part Number | 1-140-030-11 |
| Item Name | Bolt,power Shaft,turbine Engine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,M4140 FS M 91547,ROCKWELL C SCALE 33.0 MIN,35.5 MAX HARDNESS,THDS ELECTRO FILM FINISH,P6435P1 FSCM 91547,SHANK AND HEAD PHOSPHATE COATED FINISH,AMS2481,63 MICROINCH AA FINISH OD AND UNDERSIDE OF HEAD AND UNDERSIDE OF 2ND STEP 1ST END,16 MICROINCH AA FINSIH HEAD FACE,125 MICROINCH AA FINISH REMAINING SURFACES,8.150 IN. NOM O/A LG,STEPPED OD,EXT THD 1ST END,0.6250 IN.-18 UNF SERIES CL 2A THD,0.367 IN. MIN,0.373 IN. LG THD,0.540 IN. NOM DIA 1ST DTEP 1ST END,0.140 IN. NOM LG 1ST STTEP 1ST END,0.885 IN. MIN,0.900 IN. MAX DIA 2ND STEP 1ST END,0.060 IN. NOM LG 2ND STEP 1ST END,TAPERED OD 3RD STEP 1ST END,10 DEG TAPER,0.500 IN. NOM LG TAPER 3RD STEP 1ST END,0.491 IN. MIN,0.498 IN. MAX DIA 4TH STEP 1ST END,6.038 IN. MIN,6.042 IN. MAX LG 4TH STEP 1ST END,0.640 IN. MIN,0.650 IN. MAX DIA 5TH STEP 1ST END,0.750 IN. NOM LG 5TH STEP 1ST END,2ND END PLAIN RD HEAD,1.426 IN. MIN,1.430 IN. MAX OD HEAD,0.355 IN. MIN,0.365 IN. MAX H HEAD,1.150 IN. MIN,1.180 IN. MAX ID HEAD COUNTERBORE,0.250 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1-140-030-11 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| 1-140-030-11 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-140-030-11 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-00-778-2261 is a Bolt,power Shaft,turbine Engine, manufactured by Ozark Aeroworks Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-778-2261 has 2 manufacturer part numbers on file: 1-140-030-11 (Rolls-Royce Deutschland Ltd & Co Kg), 1-140-030-11 (Ozark Aeroworks Llc).
Key specifications for 1-140-030-11: General Characteristics Item Description: STEEL,M4140 FS M 91547,ROCKWELL C SCALE 33.0 MIN,35.5 MAX HARDNESS,THDS ELECTRO FILM FINISH,P6435P1 FSCM 91547,SHANK AND HEAD PHOSPHATE COATED FINISH,AMS2481,63 MICROINCH AA FINISH OD AND UNDERSIDE OF HEAD AND UNDERSIDE OF 2ND STEP 1ST END,16 MICROINCH AA FINSIH HEAD FACE,125 MICROINCH AA FINISH REMAINING SURFACES,8.150 IN. NOM O/A LG,STEPPED OD,EXT THD 1ST END,0.6250 IN.-18 UNF SERIES CL 2A THD,0.367 IN. MIN,0.373 IN. LG THD,0.540 IN. NOM DIA 1ST DTEP 1ST END,0.140 IN. NOM LG 1ST STTEP 1ST END,0.885 IN. MIN,0.900 IN. MAX DIA 2ND STEP 1ST END,0.060 IN. NOM LG 2ND STEP 1ST END,TAPERED OD 3RD STEP 1ST END,10 DEG TAPER,0.500 IN. NOM LG TAPER 3RD STEP 1ST END,0.491 IN. MIN,0.498 IN. MAX DIA 4TH STEP 1ST END,6.038 IN. MIN,6.042 IN. MAX LG 4TH STEP 1ST END,0.640 IN. MIN,0.650 IN. MAX DIA 5TH STEP 1ST END,0.750 IN. NOM LG 5TH STEP 1ST END,2ND END PLAIN RD HEAD,1.426 IN. MIN,1.430 IN. MAX OD HEAD,0.355 IN. MIN,0.365 IN. MAX H HEAD,1.150 IN. MIN,1.180 IN. MAX ID HEAD COUNTERBORE,0.250 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.