PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8707Piston,steer Damper

Circor Aerospace, Inc. Div Circor · NSN 1620-00-738-0719 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-738-0719 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-738-0719. Primary manufacturer part number: 8707.
Features
  • Piston,steer Damper — FSC 1620
  • General Characteristics Item Description: STEEL 4140,2.103 IN. O/A LG,PISTON BODY 1.375 IN. LG AND 1.311 IN.DIA WITH ONE GROOVE 0.280 IN. WIDE 0.243 IN. DEEP LOCATED 0.781 IN. FROM 1ST END,1ST END INSIDE DIMENSIONS 1ST AREA 1.125 IN. DIA BY 0.620 IN. DEEP,2ND AREA TAPERED 30 DEGREES FROM1.125 IN. DIA TO 0.937 IN. DIA 0.161 IN. LG,3RD AREA 0.344 IN. LG 0.937 IN. DIA,2ND END DATA WRIST PIN HOLES 0.4068 IN. DIA IN
  • Reference Data and Literature: T.O.9H2-3-54-4
  • 4 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Div Circor
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,steer Damper, cataloged under National Stock Number 1620-00-738-0719, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Circor Aerospace, Inc. Div Circor. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1620-00-738-0719
Primary Part Number8707
Item NamePiston,steer Damper
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Div Circor
StatusACTIVE
General Characteristics Item DescriptionSTEEL 4140,2.103 IN. O/A LG,PISTON BODY 1.375 IN. LG AND 1.311 IN.DIA WITH ONE GROOVE 0.280 IN. WIDE 0.243 IN. DEEP LOCATED 0.781 IN. FROM 1ST END,1ST END INSIDE DIMENSIONS 1ST AREA 1.125 IN. DIA BY 0.620 IN. DEEP,2ND AREA TAPERED 30 DEGREES FROM1.125 IN. DIA TO 0.937 IN. DIA 0.161 IN. LG,3RD AREA 0.344 IN. LG 0.937 IN. DIA,2ND END DATA WRIST PIN HOLES 0.4068 IN. DIA IN
Reference Data and LiteratureT.O.9H2-3-54-4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-111-1123163273 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5340-00-235-18018707 INTERCHANGEABLE
Hasp,hinged
Stefanowicz & Lutz Inc Dba Merit Metal Products Corp
5950-00-648-0924 INTERCHANGEABLE
Transformer,audio Frequency
4730-01-023-85348707 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Caterpillar Inc Div Caterpillar Defense
5365-01-042-24968707 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5985-01-123-8296CP354MH4 INTERCHANGEABLE
Attenuator,variable
Shallco, Inc
4820-01-130-407481777-4 INTERCHANGEABLE
Valve,safety Relief
Waterous Company
5330-01-210-38908707 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5360-01-488-79268707 INTERCHANGEABLE
Spring,helical,compression
Weldon Pump Llc
Cross-Reference Index
Part NumberManufacturer
8707 Circor Aerospace, Inc. Div Circor (USA)
8707 Goodrich Corporation (USA)
8707 Smith and Smith Aircraft Co (USA)
8707 Goodrich Corp Dba Goodrich Corp (USA)
Related Parts
6685-00-111-1123INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
163273
5340-00-235-1801INTERCHANGEABLE
HASP,HINGED
8707
5950-00-648-0924INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4730-01-023-8534INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
8707
5365-01-042-2496INTERCHANGEABLE
SPACER,SLEEVE
8707
5985-01-123-8296INTERCHANGEABLE
ATTENUATOR,VARIABLE
CP354MH4
4820-01-130-4074INTERCHANGEABLE
VALVE,SAFETY RELIEF
81777-4
5330-01-210-3890INTERCHANGEABLE
SEAL,PLAIN ENCASED
8707
5360-01-488-7926INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8707

Frequently Asked Questions

What is NSN 1620-00-738-0719?

NSN 1620-00-738-0719 is a Piston,steer Damper, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-00-738-0719?

NSN 1620-00-738-0719 has 4 cross-referenced part numbers: 8707 (Circor Aerospace, Inc. Div Circor), 8707 (Goodrich Corporation), 8707 (Smith and Smith Aircraft Co), 8707 (Goodrich Corp Dba Goodrich Corp).

What NSN replaces 1620-00-738-0719?

There are 9 known substitutes for 1620-00-738-0719: 6685-00-111-1123, 5340-00-235-1801, 5950-00-648-0924 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8707?

Key specifications for 8707: General Characteristics Item Description: STEEL 4140,2.103 IN. O/A LG,PISTON BODY 1.375 IN. LG AND 1.311 IN.DIA WITH ONE GROOVE 0.280 IN. WIDE 0.243 IN. DEEP LOCATED 0.781 IN. FROM 1ST END,1ST END INSIDE DIMENSIONS 1ST AREA 1.125 IN. DIA BY 0.620 IN. DEEP,2ND AREA TAPERED 30 DEGREES FROM1.125 IN. DIA TO 0.937 IN. DIA 0.161 IN. LG,3RD AREA 0.344 IN. LG 0.937 IN. DIA,2ND END DATA WRIST PIN HOLES 0.4068 IN. DIA IN; End Item Identification: T-38 AIRCRAFT; Reference Data and Literature: T.O.9H2-3-54-4. 3 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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