PartsTable TECHNICAL DATA SHEET
NSN 5120-01-577-8376Government record, cited

Wrench, Spanner5120-01-577-8376

NSN 5120-01-577-8376 · NIIN 015778376 · Part number RTTC08255
Walls Machine Company, Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 1SX26
Government record, cited
NSN 5120-01-577-8376 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-577-8376. Manufacturer of record part number: RTTC08255.
Also searched as  5120-01-577-8376 · 5120015778376 · NIIN 015778376 · 01-577-8376 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 1SX26 · RTTC08255
Nearby stock numbers  ·
Features
  • Wrench,spanner — FSC 5120
  • Material: STEEL OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Walls Machine Company, Llc
Identification
  • NSN: 5120-01-577-8376
  • NIIN: 015778376
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: RTTC08255
  • Manufacturer: Walls Machine Company, Llc
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-01-577-8376, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Walls Machine Company, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-577-8376
Primary Part NumberRTTC08255
Item NameWrench,spanner
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerWalls Machine Company, Llc
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RTTC08255 PRIMARY Walls Machine Company, Llc (USA)
RTTC08255 PRIMARY Accurate Machine & Tool Corp (USA)
Reference documents
ReferenceMeaning
RTTC08255 7/2 Vendor item drawing reference
Us Army Aviation and Missile Command
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 5120-01-577-8376?

NSN 5120-01-577-8376 is a Wrench,spanner, manufactured by Walls Machine Company, Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-577-8376?

NSN 5120-01-577-8376 has 2 manufacturer part numbers on file: RTTC08255 (Walls Machine Company, Llc), RTTC08255 (Accurate Machine & Tool Corp).

What are the specifications of RTTC08255?

Key specifications for RTTC08255: Special Features: LOCKNUT WRENCH TAIL ROTOR GEAR BOX AH-64 PROJECT; End Item Identification: 1520-01-106-9519; Material: STEEL OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 5120-01-577-8376 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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