NSN 5306-00-478-8378 · NIIN 004788378 · Part number 21219
Renk America Llc Div Renk America · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 02978
Government record, cited
NSN 5306-00-478-8378 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-478-8378. Manufacturer of record part number: 21219.
Also searched as5306-00-478-8378 ·
5306004788378 ·
NIIN 004788378 ·
00-478-8378 ·
FSC 5306 Bolts · CAGE 02978 · 21219
Shoulder Length: 1.750 INCHES NOMINAL FIRST SHOULDER IN
Shoulder Diameter: 0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length: 0.500 INCHES MINIMUM IN
Shoulder Shape: ROUND FIRST SHOULDER
Nominal Thread Diameter: 0.250 INCHES IN
Identification
NSN: 5306-00-478-8378
NIIN: 004788378
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: 21219
Manufacturer: Renk America Llc Div Renk America
General Description
The Bolt,shoulder, cataloged under National Stock Number 5306-00-478-8378, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5306-00-478-8378
Primary Part Number
21219
Item Name
Bolt,shoulder
FSC / FSG
5306 / 53 — Bolts
Manufacturer
Renk America Llc Div Renk America
Status
ACTIVE
Head Height
0.156 INCHES NOMINAL IN
Fastener Length
2.500 INCHES NOMINAL IN
Shoulder Length
1.750 INCHES NOMINAL FIRST SHOULDER IN
Shoulder Diameter
0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length
0.500 INCHES MINIMUM IN
Shoulder Shape
ROUND FIRST SHOULDER
Nominal Thread Diameter
0.250 INCHES IN
Head Style
HEXAGON
Thread Direction
RIGHT-HAND
Width Between Flats
0.438 INCHES NOMINAL IN
Surface Treatment
PHOSPHATE OVERALL
Thread Class
3A A
Thread Quantity Per Inch
28
Material
STEEL OVERALL
Thread Series Designator
UNF
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6685-00-585-9164POSSIBLE MATCH
THERMOMETER,SELF-INDICATING,BIME
Possible match (shared part number)
5360-00-612-150921219POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Mason Electric Co. Dba Mason Controls
6680-01-265-870621219POSSIBLE MATCH
INDICATOR,LIQUID QUANTITY
Possible match (shared part number)Mark Industries
5330-01-286-98292-12-19POSSIBLE MATCH
GASKET
Possible match (shared part number)Fulton Boiler Works Inc
5120-01-399-994821219POSSIBLE MATCH
PUNCH,DRIVE PIN
Possible match (shared part number)Mayhew Steel Products Inc
4820-01-418-889421219-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-418-889520562-1001-2POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-418-889921219-1000-1POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-418-890421219-850-1POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
NSN 5306-00-478-8378 is a Bolt,shoulder, manufactured by Renk America Llc Div Renk America, classified under FSC 5306, Bolts. Status: active.
What part numbers are listed for NSN 5306-00-478-8378?
NSN 5306-00-478-8378 has 1 manufacturer part number on file: 21219 (Renk America Llc Div Renk America).
What NSN replaces 5306-00-478-8378?
9 possible matches (shared part number, not a government interchangeability claim): 6685-00-585-9164, 5360-00-612-1509, 6680-01-265-8706. Verify interchangeability with system specifications before substitution.
What are the specifications of 21219?
Key specifications for 21219: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 2.500 INCHES NOMINAL IN; Shoulder Length: 1.750 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM FIRST SHOULDER IN. 15 specifications are documented in the U.S. Government catalog.
Is NSN 5306-00-478-8378 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.