PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-0042Positioning Block,head

North American Rescue, Llc · NSN 6530-01-477-9448 · FSC 6530 · No Item Name Available
Verified by PartsTable
NSN 6530-01-477-9448 — this item is cataloged by the U.S. Government under National Stock Number 6530-01-477-9448. Primary manufacturer part number: 50-0042.
Features
  • Positioning Block,head — FSC 6530
  • Material: PLASTIC OVERALL
  • Specific Use: HEAD SUPPORT
  • 6 verified cross-references
  • Primary manufacturer: North American Rescue, Llc
Applications
  • Applications requiring Plastic Overall construction
General Description

The Positioning Block,head, cataloged under National Stock Number 6530-01-477-9448, is classified within Federal Supply Class 6530 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is North American Rescue, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6530-01-477-9448
Primary Part Number50-0042
Item NamePositioning Block,head
FSC / FSG6530 / 65 — No Item Name Available
ManufacturerNorth American Rescue, Llc
StatusACTIVE
MaterialPLASTIC OVERALL
Specific UseHEAD SUPPORT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6130-01-042-9862 (5-00003)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6130-01-042-98625-00003 SUCCESSOR
Power Supply
Federal Signal Corp Atkinson Dynamics Div
6625-00-272-9928338DB INTERCHANGEABLE
Ammeter
Stewart-Warner Corporation
5985-00-508-1273 INTERCHANGEABLE
Dummy Load,electrical
6220-00-900-530250-0003 INTERCHANGEABLE
Light,taxiing,aircraft
Grimes Aerospace Company
5990-00-961-60282324703 INTERCHANGEABLE
Resolver,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6660-00-986-3612 INTERCHANGEABLE
Gas Noise Source
5950-01-106-5006500042 INTERCHANGEABLE
Choke
Odetics Inc Precision Time Div
5450-01-328-0169500665ADB INTERCHANGEABLE
Frame Beam
Clamshell Structures, Inc
5315-01-330-28635000-42 INTERCHANGEABLE
Pin,spring
Pdi Ground Support Systems, Inc.
3040-01-395-8845 INTERCHANGEABLE
Lining,friction
Cross-Reference Index
Part NumberManufacturer
REV-BOK North American Rescue, Llc (USA)
00-0504 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
50-0042 PRIMARY North American Rescue, Llc (USA)
50-0003 North American Rescue, Llc (USA)
3A1224 North American Rescue, Llc (USA)
6515NCM000260 Defense Medical Standardization Board (USA)
Related Parts
SUCCESSOR 6130-01-042-9862 Power Supply · 5-00003
6625-00-272-9928INTERCHANGEABLE
AMMETER
338DB
5985-00-508-1273INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
6220-00-900-5302INTERCHANGEABLE
LIGHT,TAXIING,AIRCRAFT
50-0003
5990-00-961-6028INTERCHANGEABLE
RESOLVER,ELECTRICAL
2324703
6660-00-986-3612INTERCHANGEABLE
GAS NOISE SOURCE
5950-01-106-5006INTERCHANGEABLE
CHOKE
500042
5450-01-328-0169INTERCHANGEABLE
FRAME BEAM
500665ADB
5315-01-330-2863INTERCHANGEABLE
PIN,SPRING
5000-42
3040-01-395-8845INTERCHANGEABLE
LINING,FRICTION
3040-01-399-0912INTERCHANGEABLE
SHAFT,SHOULDERED
50004-2
5306-01-623-1579INTERCHANGEABLE
BOLT,MACHINE
000504

Frequently Asked Questions

What is NSN 6530-01-477-9448?

NSN 6530-01-477-9448 is a Positioning Block,head, manufactured by North American Rescue, Llc, classified under FSC 6530 (No Item Name Available). Status: active.

What are the part numbers for NSN 6530-01-477-9448?

NSN 6530-01-477-9448 has 6 cross-referenced part numbers: REV-BOK (North American Rescue, Llc), 00-0504 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 50-0042 (North American Rescue, Llc), 50-0003 (North American Rescue, Llc), 3A1224 (North American Rescue, Llc) and 1 more.

What NSN replaces 6530-01-477-9448?

There are 12 known substitutes for 6530-01-477-9448: 6130-01-042-9862, 6625-00-272-9928, 5985-00-508-1273 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-0042?

Key specifications for 50-0042: Part Name Assigned by Controlling Agency: POSITIONING BLOCK HEAD PLASTIC BLACK USE W/REEVES SLEE; Special Features: BLACK COLOR; WASHABLE; Material: PLASTIC OVERALL; Specific Use: HEAD SUPPORT. 5 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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