PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211-A-0009-3Seal Nut,pipe

Transdigm Inc · NSN 4730-00-971-1545 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-971-1545 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-971-1545. Primary manufacturer part number: 211-A-0009-3.
Features
  • Seal Nut,pipe — FSC 4730
  • Nut Height: 1.130 INCHES NOMINAL IN
  • Width Across Flats: 1.000 INCHES NOMINAL IN
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Quantity Per Inch: 16
  • Thread Direction: RIGHT-HAND
  • Nut Style: PIPE SEAL NUT
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal Nut,pipe, cataloged under National Stock Number 4730-00-971-1545, 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 Transdigm Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-971-1545
Primary Part Number211-A-0009-3
Item NameSeal Nut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc
StatusACTIVE
Nut Height1.130 INCHES NOMINAL IN
Width Across Flats1.000 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES IN
Thread Quantity Per Inch16
Thread DirectionRIGHT-HAND
Nut StylePIPE SEAL NUT
Thread SeriesUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-456-10112146061 INTERCHANGEABLE
Hook,support
General Motors Corp
5331-00-829-25811407-35 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5930-01-072-203928179-1 INTERCHANGEABLE
Switch,push
Janco Corporation Dba Janco Corp Div Mason Controls
4730-01-133-9990211-A0009-3 INTERCHANGEABLE
Packing Nut
Transdigm Inc
5330-01-271-0207 INTERCHANGEABLE
Packing,preformed
6515-01-304-9763401553 INTERCHANGEABLE
Bag,ostomy
Convatec Inc. Div Convatec
Cross-Reference Index
Part NumberManufacturer
211-A-0009-3 PRIMARY Transdigm Inc (USA)
10885731 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2540009711545 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
28179-1 Satair A/s (DNK)
21X-A-0009-3 Transdigm Inc (USA)
40155-3 Transdigm Inc (USA)
28179-1 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
10885731 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
75524-92X46PC5 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5340-00-456-1011INTERCHANGEABLE
HOOK,SUPPORT
2146061
5331-00-829-2581INTERCHANGEABLE
O-RING
1407-35
5930-01-072-2039INTERCHANGEABLE
SWITCH,PUSH
28179-1
4730-01-133-9990INTERCHANGEABLE
PACKING NUT
211-A0009-3
5330-01-271-0207INTERCHANGEABLE
PACKING,PREFORMED
6515-01-304-9763INTERCHANGEABLE
BAG,OSTOMY
401553

Frequently Asked Questions

What is NSN 4730-00-971-1545?

NSN 4730-00-971-1545 is a Seal Nut,pipe, manufactured by Transdigm Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-971-1545?

NSN 4730-00-971-1545 has 9 cross-referenced part numbers: 211-A-0009-3 (Transdigm Inc), 10885731 (U S Army Tank Automotive Command Amsta-Im-Mm), 2540009711545 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 28179-1 (Satair A/s), 21X-A-0009-3 (Transdigm Inc) and 4 more.

What NSN replaces 4730-00-971-1545?

There are 6 known substitutes for 4730-00-971-1545: 5340-00-456-1011, 5331-00-829-2581, 5930-01-072-2039 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 211-A-0009-3?

Key specifications for 211-A-0009-3: Nut Height: 1.130 INCHES NOMINAL IN; Width Across Flats: 1.000 INCHES NOMINAL IN; Nominal Thread Size: 0.750 INCHES IN; Thread Quantity Per Inch: 16. 7 total characteristics are documented in the Federal Logistics Information System.

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