PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-4-PPlug,pipe

Swagelok Co · NSN 4730-00-012-7951 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-012-7951 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-012-7951. Primary manufacturer part number: B-4-P.
Features
  • Plug,pipe — FSC 4730
  • 50 verified cross-references
  • Primary manufacturer: Swagelok Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-012-7951, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Swagelok Co. This item has 50 commercial cross-references from 41 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePlug,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersJednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Oshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152); Fittings, Inc. (CAGE 1B467); Swagelok Co (CAGE 3T9T9)
Technical Specifications
ParameterValue
NSN4730-00-012-7951
Primary Part NumberB-4-P
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-006-3771 INTERCHANGEABLE
Spring,special
4730-00-011-2304 INTERCHANGEABLE
Plug,pipe
4730-00-014-4027444632 INTERCHANGEABLE
Plug,pipe
Nd Defense Llc
5340-00-023-713854B7201H22 INTERCHANGEABLE
Fastener,pawl
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5133-00-061-627510913 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
4730-00-089-2515SAE J531 4 130109EC INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
2925-00-090-486171931 INTERCHANGEABLE
Block,center
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5905-00-098-5238 INTERCHANGEABLE
Resistor Assembly
3110-00-100-060564700 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
5340-00-118-2349127951 INTERCHANGEABLE
Seat,helical Compression Spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Cross-Reference Index
Part NumberManufacturer
4730PL0773105 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2EH663 Oshkosh Defense Llc (USA)
2EH663 Oshkosh Corp (USA)
3152X 4 Fittings, Inc. (USA)
B-4-P PRIMARY Swagelok Co (USA)
0135056 Daf Trucks N.v. (NLD)
4 130109EB Society of Automotive Engineers Inc (USA)
3152X4 Dana Corp Weatherhead Div (USA)
3152X4 Danfoss Power Solutions II, Llc (USA)
R3-227A Ingersoll-Rand Co Power Tool Div (USA)
B-4-P Cajon Co (USA)
44Z226D0 Morris Material Handling, Inc. (USA)
127951 Army Weapons Command Attn Amswe-Ree-S (USA)
103-15204 Danfoss Power Solutions II, Llc (USA)
59A120B5-17 Naval Sea Systems Command (USA)
A109-2 Crane Carrier Company, Llc (USA)
127951 Rolls-Royce Solutions America Inc (USA)
52E770-807 Eme Elektro-Metall Export Gmbh (DEU)
2082-4B PRIMARY Danfoss Power Solutions II, Llc (USA)
127951 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5360-00-006-3771INTERCHANGEABLE
SPRING,SPECIAL
4730-00-011-2304INTERCHANGEABLE
PLUG,PIPE
4730-00-014-4027INTERCHANGEABLE
PLUG,PIPE
444632
5340-00-023-7138INTERCHANGEABLE
FASTENER,PAWL
54B7201H22
5133-00-061-6275INTERCHANGEABLE
DRILL,TWIST
10913
4730-00-089-2515INTERCHANGEABLE
PLUG,PIPE
SAE J531 4 130109EC
2925-00-090-4861INTERCHANGEABLE
BLOCK,CENTER
71931
5905-00-098-5238INTERCHANGEABLE
RESISTOR ASSEMBLY
3110-00-100-0605INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
64700
5340-00-118-2349INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
127951
5950-00-163-7141INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0386-010
4320-00-218-4478INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A249

Frequently Asked Questions

What is NSN 4730-00-012-7951?

NSN 4730-00-012-7951 is a Plug,pipe, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-012-7951?

NSN 4730-00-012-7951 has 50 cross-referenced part numbers: 4730PL0773105 (Jednolity Indeks Materialowy - Uniform Material Index), 2EH663 (Oshkosh Defense Llc), 2EH663 (Oshkosh Corp), 3152X 4 (Fittings, Inc.), B-4-P (Swagelok Co) and 45 more.

What NSN replaces 4730-00-012-7951?

There are 12 known substitutes for 4730-00-012-7951: 5360-00-006-3771, 4730-00-011-2304, 4730-00-014-4027 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-012-7951 still in active supply?

NSN 4730-00-012-7951 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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