PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PBGun,air Blow

Goodrich Corporation · NSN 4940-00-255-8677 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-255-8677 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-255-8677. Primary manufacturer part number: PB.
Features
  • Gun,air Blow — FSC 4940
  • Tip Type: REMOVABLE
  • Design Type: STRAIGHT
  • Operation Method: BUTTON OVER
  • Screw Thread Series Designator: NPT
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND B STYLE
  • Thread Size: 3/8-18
  • Features Provided: THREADED INTERNAL COUPLING
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Gun,air Blow, cataloged under National Stock Number 4940-00-255-8677, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Goodrich Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4940-00-255-8677
Primary Part NumberPB
Item NameGun,air Blow
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerGoodrich Corporation
StatusCANCELLED
Tip TypeREMOVABLE
Design TypeSTRAIGHT
Operation MethodBUTTON OVER
Screw Thread Series DesignatorNPT
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS AND B STYLE
Thread Size3/8-18
Features ProvidedTHREADED INTERNAL COUPLING
Hang-Up HookNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4940-00-333-5541 INTERCHANGEABLE
Gun,air Blow
5120-00-678-2780PB INTERCHANGEABLE
Pot,compound,lineman's
Graybar Electric Company, Inc. Dba Graybar Electric
3441-00-727-9254PB INTERCHANGEABLE
Bending Machine,pipe and Conduit
Phi
4940-00-954-9739107 INTERCHANGEABLE
Gun,air Blow
Milton Industries, Inc
4940-01-040-7193 INTERCHANGEABLE
Gun,air Blow
Cross-Reference Index
Part NumberManufacturer
GGGG770 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGGP561TYPE2CLASS1STYLEB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PB Goodrich Corporation Div Advanced Structures Landing Systems (USA)
PB PRIMARY Goodrich Corporation (USA)
Related Parts
4940-00-333-5541INTERCHANGEABLE
GUN,AIR BLOW
5120-00-678-2780INTERCHANGEABLE
POT,COMPOUND,LINEMAN'S
PB
3441-00-727-9254INTERCHANGEABLE
BENDING MACHINE,PIPE AND CONDUIT
PB
4940-00-954-9739INTERCHANGEABLE
GUN,AIR BLOW
107
4940-01-040-7193INTERCHANGEABLE
GUN,AIR BLOW

Frequently Asked Questions

What is NSN 4940-00-255-8677?

NSN 4940-00-255-8677 is a Gun,air Blow, manufactured by Goodrich Corporation, classified under FSC 4940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4940-00-255-8677?

NSN 4940-00-255-8677 has 4 cross-referenced part numbers: GGGG770 (Federal Specifications Promulgated by General Services Administration Washington DC), GGGP561TYPE2CLASS1STYLEB (Federal Specifications Promulgated by General Services Administration Washington DC), PB (Goodrich Corporation Div Advanced Structures Landing Systems), PB (Goodrich Corporation).

What NSN replaces 4940-00-255-8677?

There are 5 known substitutes for 4940-00-255-8677: 4940-00-333-5541, 5120-00-678-2780, 3441-00-727-9254 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PB?

Key specifications for PB: Tip Type: REMOVABLE; Design Type: STRAIGHT; Operation Method: BUTTON OVER; Screw Thread Series Designator: NPT. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4940-00-255-8677 still in active supply?

NSN 4940-00-255-8677 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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