PartsTable TECHNICAL DATA SHEET
NSN 4730-01-088-7326Government record, cited

Union, Pipe4730-01-088-7326

NSN 4730-01-088-7326 · NIIN 010887326 · Part number 810-1385943ASSYH(MOD)
Guill Tool & Engineering Co Inc Div Guill Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 29030
Government record, cited
NSN 4730-01-088-7326 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-088-7326. Manufacturer of record part number: 810-1385943ASSYH(MOD).
Also searched as  4730-01-088-7326 · 4730010887326 · NIIN 010887326 · 01-088-7326 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 29030 · 810-1385943ASSYH(MOD) · 15-12-9793 · 810-1385943
Nearby stock numbers  ·
Features
  • Union,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN
  • Connection Style: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
  • Coupling Flange Shape: HEXAGON
  • Nominal Overall Length: 3.305 INCHES IN
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Style Designator: SCREWED
  • Seat Type: RECESSED
Identification
  • NSN: 4730-01-088-7326
  • NIIN: 010887326
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 810-1385943ASSYH(MOD)
  • Manufacturer: Guill Tool & Engineering Co Inc Div Guill Defense
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-088-7326, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Guill Tool & Engineering Co Inc Div Guill Defense. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-088-7326
Primary Part Number810-1385943ASSYH(MOD)
Item NameUnion,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerGuill Tool & Engineering Co Inc Div Guill Defense
StatusACTIVE
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Connection StyleSTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
Coupling Flange ShapeHEXAGON
Nominal Overall Length3.305 INCHES IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSCREWED
Seat TypeRECESSED
Pipe Wall Thickness Designation for Which DesignedSCHEDULE STD ALL ENDS
MaterialCOPPER ALLOY BODY
MaterialSTEEL CORROSION RESISTING NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-088-73511385943ASSYMOD1.5IN POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-097-4724 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)
4730-01-113-933415-12-2144 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-136-2047810-1385943ASSYHMOD 2IN POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-149-669315-12-0006 POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-156-8230810-1385943 PC7 POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-183-1403810-1385943PC7 1/4 INCH POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-189-4795810-1385943 PC3AND8(1/4IPS) POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-189-4797810-1385943 PC-3 3/8 IN IPS POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-189-4798810-1385943 PC-2 1/4 IN IPS POSSIBLE MATCH
THREAD PIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
810-1385943ASSYH(MOD) PRIMARY Guill Tool & Engineering Co Inc Div Guill Defense (USA)
Reference documents
ReferenceMeaning
15-12-9793 3/2 Design control — primary reference
U.S. Government activity
810-1385943 D/9 Drawing number reference only
U.S. Government activity
810-1385943ASSYH(MOD) 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-088-7351POSSIBLE MATCH
TAILPIECE,UNION
1385943ASSYMOD1.5IN
4730-01-097-4724POSSIBLE MATCH
UNION,PIPE
4730-01-113-9334POSSIBLE MATCH
TAILPIECE,UNION
15-12-2144
4730-01-136-2047POSSIBLE MATCH
TAILPIECE,UNION
810-1385943ASSYHMOD 2IN
4730-01-149-6693POSSIBLE MATCH
NUT,UNION
15-12-0006
4730-01-156-8230POSSIBLE MATCH
NUT,UNION
810-1385943 PC7
4730-01-183-1403POSSIBLE MATCH
NUT,UNION
810-1385943PC7 1/4 INCH
4730-01-189-4795POSSIBLE MATCH
TAILPIECE,UNION
810-1385943 PC3AND8(1/4IPS)
4730-01-189-4797POSSIBLE MATCH
TAILPIECE,UNION
810-1385943 PC-3 3/8 IN IPS
4730-01-189-4798POSSIBLE MATCH
THREAD PIECE,UNION
810-1385943 PC-2 1/4 IN IPS

Frequently Asked Questions

What is NSN 4730-01-088-7326?

NSN 4730-01-088-7326 is a Union,pipe, manufactured by Guill Tool & Engineering Co Inc Div Guill Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-088-7326?

NSN 4730-01-088-7326 has 1 manufacturer part number on file: 810-1385943ASSYH(MOD) (Guill Tool & Engineering Co Inc Div Guill Defense).

What NSN replaces 4730-01-088-7326?

10 possible matches (shared part number, not a government interchangeability claim): 4730-01-088-7351, 4730-01-097-4724, 4730-01-113-9334. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-1385943ASSYH(MOD)?

Key specifications for 810-1385943ASSYH(MOD): Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Style: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS; Coupling Flange Shape: HEXAGON; Nominal Overall Length: 3.305 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-088-7326 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.
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