PartsTable TECHNICAL DATA SHEET
NSN 4730-00-502-8874Government record, cited

Reducer, Tube4730-00-502-8874

NSN 4730-00-502-8874 · NIIN 005028874 · Part number AS1368K1612
Sae International Dba Sae International · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 0U583
Government record, cited
NSN 4730-00-502-8874 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-502-8874. Manufacturer of record part number: AS1368K1612.
Also searched as  4730-00-502-8874 · 4730005028874 · NIIN 005028874 · 00-502-8874 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 0U583 · AS1368K1612 · SAE-AS1368 · KC125K16-12 · KC125C16-12
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: FLARED (TUBE) SECOND END
  • Connection Style: FLARED (TUBE) FIRST END
  • Nominal Overall Length: 2.156 INCHES IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES SECOND END IN
Identification
  • NSN: 4730-00-502-8874
  • NIIN: 005028874
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: AS1368K1612
  • Manufacturer: Sae International Dba Sae International
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-502-8874, 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 Sae International Dba Sae International. Government technical data includes 22 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-00-502-8874
Primary Part NumberAS1368K1612
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSae International Dba Sae International
StatusACTIVE
Connection StyleFLARED (TUBE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Nominal Overall Length2.156 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated0.750 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Nominal Thread Size1.312 INCHES FIRST END IN
Nominal Thread Size1.062 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
Seat Angle37.0 DEGREES SECOND END
Surface TreatmentPASSIVATE INSIDE
Surface TreatmentPASSIVATE OUTSIDE
Thread Class3A FIRST END A
Thread Class3A SECOND END A
Thread Quantity Per Inch12 SECOND END
Thread Quantity Per Inch12 FIRST END
MaterialSTEEL COMP 316 OVERALL
Thread Series DesignatorUN FIRST END
Thread Series DesignatorUN SECOND END
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-502-8875AS1368K1608 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-00-502-8880AS1368K0806 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-00-502-8881AS1368K0804 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-00-502-8884AS1368K1208 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-010-9042AS1368K1206 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-012-8426AS1368K2016 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-013-0890AS1368K1204 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-013-0891AS1368K1006 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-014-6835AS1368K1004 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-015-9274AS1368K1604 POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS1368K1612 PRIMARY Sae International Dba Sae International (USA)
Reference documents
ReferenceMeaning
AS1368K1612 3/9 Design control — primary reference
U.S. Government activity
SAE-AS1368 3/1 Design control — primary reference
Sae International Dba Sae International
KC125K16-12 C/1 Advisory reference — outside the item-of-supply concept
John F Kennedy Space Center Dba Nasa Div Kennedy Space Center
KC125C16-12 C/1 Advisory reference — outside the item-of-supply concept
John F Kennedy Space Center Dba Nasa Div Kennedy Space Center
Related Parts
4730-00-502-8875POSSIBLE MATCH
REDUCER,TUBE
AS1368K1608
4730-00-502-8880POSSIBLE MATCH
REDUCER,TUBE
AS1368K0806
4730-00-502-8881POSSIBLE MATCH
REDUCER,TUBE
AS1368K0804
4730-00-502-8884POSSIBLE MATCH
REDUCER,TUBE
AS1368K1208
4730-01-010-9042POSSIBLE MATCH
REDUCER,TUBE
AS1368K1206
4730-01-012-8426POSSIBLE MATCH
REDUCER,TUBE
AS1368K2016
4730-01-013-0890POSSIBLE MATCH
REDUCER,TUBE
AS1368K1204
4730-01-013-0891POSSIBLE MATCH
REDUCER,TUBE
AS1368K1006
4730-01-014-6835POSSIBLE MATCH
REDUCER,TUBE
AS1368K1004
4730-01-015-9274POSSIBLE MATCH
REDUCER,TUBE
AS1368K1604
4730-01-083-5853POSSIBLE MATCH
REDUCER,TUBE
AS1368K2004
4730-01-083-5854POSSIBLE MATCH
REDUCER,TUBE
AS1368K2012

Frequently Asked Questions

What is NSN 4730-00-502-8874?

NSN 4730-00-502-8874 is a Reducer,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-502-8874?

NSN 4730-00-502-8874 has 1 manufacturer part number on file: AS1368K1612 (Sae International Dba Sae International).

What NSN replaces 4730-00-502-8874?

12 possible matches (shared part number, not a government interchangeability claim): 4730-00-502-8875, 4730-00-502-8880, 4730-00-502-8881. Verify interchangeability with system specifications before substitution.

What are the specifications of AS1368K1612?

Key specifications for AS1368K1612: Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Overall Length: 2.156 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 22 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-502-8874 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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