PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20A1155Screw,machine

Anti-Friction Bearing Mfg Assn Inc the · NSN 5305-00-275-9838 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-275-9838 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-275-9838. Primary manufacturer part number: 20A1155.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
  • Thread Direction: RIGHT-HAND
  • Nondefinitive Spec/std Data: 1S STYLE AND I TYPE
  • Head Diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Style: ROUND
  • Head Height: 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-275-9838, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Anti-Friction Bearing Mfg Assn Inc the. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 28 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-275-9838
Primary Part Number20A1155
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAnti-Friction Bearing Mfg Assn Inc the
StatusACTIVE
Screw MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data1S STYLE AND I TYPE
Head Diameter0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
Thread Class2A A
Head StyleROUND
Head Height0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Screw Material Document and ClassificationQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
Fastener Length0.500 INCHES NOMINAL IN
Thread Length0.500 INCHES NOMINAL IN
Thread Quantity Per Inch20
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-054-1413HP1937S83 INTERCHANGEABLE
Plug,expansion
Hubbard M D Spring Co Inc
6685-00-245-768935JA10-15 INTERCHANGEABLE
Manometer,vertical Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
5945-00-329-6854H23-26-5VDC INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
2990-00-422-9438 INTERCHANGEABLE
Plate,clutch
1680-00-536-8399B2862 INTERCHANGEABLE
Bracket,actuator Sw
Aerocontrolex Group, Inc. Div Talley Actuators
5331-00-584-0266080-04273-007 INTERCHANGEABLE
O-Ring
Moog Inc
4820-00-717-371821136-2 INTERCHANGEABLE
Valve,check
Mission Systems Orchard Park Inc
5935-00-725-4326B2862 INTERCHANGEABLE
Connector,receptacle,electrical
Caton Connector Corporation Dba Caton Connector Corp
6680-00-925-3860113955-260 INTERCHANGEABLE
Counter,rotating
Dynapar Corp Div Specialty Product Technologies
5961-00-993-8522 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
BB25189 Diamond Reo Truck Co (USA)
113955 General Motors Llc Dba General Motors Llc (USA)
A12419 Modine Manufacturing Co (USA)
MT189 Great American Industries Inc (USA)
S54-04 Heil Co Tec Div (USA)
113955 General Motors Corp (USA)
S33X45 White Motor Corp (USA)
BB7417 Diamond Reo Truck Co (USA)
X1-102 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
20A1155 PRIMARY Anti-Friction Bearing Mfg Assn Inc the (USA)
11FM12A1-4-20X1-2 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
113955 Navistar International Corporation Dba Navistar (USA)
87106 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
0900574 Agco Corp Parts Opn (USA)
A2303-12-41PC15 PRIMARY Us Army Aviation and Missile Command (USA)
55X140 Sasco Inc Canadian Div
15X49 PRIMARY Napco International Llc Dba Napco International Inc (USA)
0900574-5 Allis-Chalmers Corp (USA)
11FM12A1-4-20X1-2 PRIMARY Fairbanks Morse, Llc (USA)
X3053 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
5340-00-054-1413INTERCHANGEABLE
PLUG,EXPANSION
HP1937S83
6685-00-245-7689INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
35JA10-15
5945-00-329-6854INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
H23-26-5VDC
2990-00-422-9438INTERCHANGEABLE
PLATE,CLUTCH
1680-00-536-8399INTERCHANGEABLE
BRACKET,ACTUATOR SW
B2862
5331-00-584-0266INTERCHANGEABLE
O-RING
080-04273-007
4820-00-717-3718INTERCHANGEABLE
VALVE,CHECK
21136-2
5935-00-725-4326INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
B2862
6680-00-925-3860INTERCHANGEABLE
COUNTER,ROTATING
113955-260
5961-00-993-8522INTERCHANGEABLE
TRANSISTOR
5950-01-043-3009INTERCHANGEABLE
TRANSFORMER,PULSE
30016
5999-01-075-2650INTERCHANGEABLE
HEATER,THERMAL RELEASE

Frequently Asked Questions

What is NSN 5305-00-275-9838?

NSN 5305-00-275-9838 is a Screw,machine, manufactured by Anti-Friction Bearing Mfg Assn Inc the, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-275-9838?

NSN 5305-00-275-9838 has 30 cross-referenced part numbers: BB25189 (Diamond Reo Truck Co), 113955 (General Motors Llc Dba General Motors Llc), A12419 (Modine Manufacturing Co), MT189 (Great American Industries Inc), S54-04 (Heil Co Tec Div) and 25 more.

What NSN replaces 5305-00-275-9838?

There are 12 known substitutes for 5305-00-275-9838: 5340-00-054-1413, 6685-00-245-7689, 5945-00-329-6854 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20A1155?

Key specifications for 20A1155: Screw Material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020; Thread Direction: RIGHT-HAND; Nondefinitive Spec/std Data: 1S STYLE AND I TYPE; Head Diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN. 14 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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