PartsTable TECHNICAL DATA SHEET
NSN 5120-00-008-5591Government record, cited

Crowfoot Attachment, Socket Wrenc5120-00-008-5591

NSN 5120-00-008-5591 · NIIN 000085591 · Part number 65700-35615-042
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 78286
Government record, cited
NSN 5120-00-008-5591 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-008-5591. Manufacturer of record part number: 65700-35615-042.
Also searched as  5120-00-008-5591 · 5120000085591 · NIIN 000085591 · 00-008-5591 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 78286 · 65700-35615-042
Nearby stock numbers  ·
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Style Designator: FLARE NUT
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CADMIUM OVERALL
  • Head Thickness: 0.750 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
  • NSN: 5120-00-008-5591
  • NIIN: 000085591
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: 65700-35615-042
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-008-5591, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-008-5591
Primary Part Number65700-35615-042
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Style DesignatorFLARE NUT
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCADMIUM OVERALL
Head Thickness0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
65700-35615-042 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
No interchangeability data on file.
Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642
ADAPTER,TORQUE WRENCH
5120-00-001-2644
ADAPTER,TORQUE WRENCH
5120-00-001-2650
INSERTER,SEAL
5120-00-001-2651
5120-00-001-2651 · Item name not on file
5120-00-001-2652
INSTALLING TOOL,SHAFT
5120-00-001-2653
REMOVER,PREFORMED PACKING
5120-00-001-2654
REMOVER,PREFORMED PACKING
5120-00-001-2655
SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-00-008-5591?

NSN 5120-00-008-5591 is a Crowfoot Attachment,socket Wrenc, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-00-008-5591?

NSN 5120-00-008-5591 has 1 manufacturer part number on file: 65700-35615-042 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of 65700-35615-042?

Key specifications for 65700-35615-042: Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Style Designator: FLARE NUT; Overall Length: 3.650 INCHES NOMINAL IN; Overall Width: 1.880 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5120-00-008-5591 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.

What is the DEMIL code for NSN 5120-00-008-5591?

NSN 5120-00-008-5591 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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