NSN 5306-01-387-9281 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-387-9281. Manufacturer of record part number: ST1222-16.
Also searched as5306-01-387-9281 ·
5306013879281 ·
NIIN 013879281 ·
01-387-9281 ·
FSC 5306 Bolts · CAGE 77445 · ST1222-16
Fastener Length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
Extended Washer Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.3125 INCHES IN
Head Style: HEXAGON EXTENDED WASHER
Thread Direction: RIGHT-HAND
Width Between Flats: 0.375 INCHES NOMINAL IN
Thread Class: 3A A
Identification
NSN: 5306-01-387-9281
NIIN: 013879281
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: ST1222-16
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Bolt,machine, cataloged under National Stock Number 5306-01-387-9281, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5306-01-387-9281
Primary Part Number
ST1222-16
Item Name
Bolt,machine
FSC / FSG
5306 / 53 — Bolts
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276
5306-00-001-1276 · Item name not on file
5306-00-001-1949
5306-00-001-1949 · Item name not on file
5306-00-001-1988
5306-00-001-1988 · Item name not on file
5306-00-001-1989
5306-00-001-1989 · Item name not on file
5306-00-001-1990
5306-00-001-1990 · Item name not on file
5306-00-001-1991
5306-00-001-1991 · Item name not on file
5306-00-001-1993
BOLT,SHEAR
5306-00-001-2017
BOLT,MACHINE
Frequently Asked Questions
What is NSN 5306-01-387-9281?
NSN 5306-01-387-9281 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
What part numbers are listed for NSN 5306-01-387-9281?
NSN 5306-01-387-9281 has 2 manufacturer part numbers on file: ST1222-16 (Rtx Corporation Div Pratt & Whitney), ST1222-16 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of ST1222-16?
Key specifications for ST1222-16: Fastener Length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Extended Washer Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.3125 INCHES IN; Head Style: HEXAGON EXTENDED WASHER. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5306-01-387-9281 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.