PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3132491 PC 321Screw,adjusting

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5305-00-393-4504 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-393-4504 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-393-4504. Primary manufacturer part number: 3132491 PC 321.
Features
  • Screw,adjusting — FSC 5305
  • General Characteristics Item Description: BRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A
  • 44 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,adjusting, cataloged under National Stock Number 5305-00-393-4504, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 44 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-393-4504
Primary Part Number3132491 PC 321
Item NameScrew,adjusting
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
General Characteristics Item DescriptionBRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2915-00-090-44881152-2 INTERCHANGEABLE
Filler Unit,fuel Tank
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
6240-00-155-78746S6/G-115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5133-00-236-4075 INTERCHANGEABLE
Drill,twist
5815-00-392-7806SM-B-157271G1 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-404-486611522 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mission Systems Orchard Park Inc
5136-00-580-7327 INTERCHANGEABLE
Tap,thread Cutting
4820-00-779-5760 INTERCHANGEABLE
Parts Kit,valve
3020-00-951-06841152-2 INTERCHANGEABLE
Gear,dial
Drs Signal Solutions, Inc.
6210-00-982-1594 INTERCHANGEABLE
Light,indicator
5331-01-129-499711522 INTERCHANGEABLE
O-Ring
Stinar, Llc
Cross-Reference Index
Part NumberManufacturer
3N30PC1522 Alfa Laval Inc. (USA)
3N196PC21 Alfa Laval Inc. (USA)
3N179PC21 Alfa Laval Inc. (USA)
3N48ALT6PC1522 Alfa Laval Inc. (USA)
NN65PC1522 Alfa Laval Inc. (USA)
3N146PC21 Alfa Laval Inc. (USA)
1-1522 Alfa Laval Inc. (USA)
3N14-5PC1522 Alfa Laval Inc. (USA)
3N20-2PC1522 Alfa Laval Inc. (USA)
3N33ALT5PC1522 Alfa Laval Inc. (USA)
AD3955-4 Alfa Laval Inc. (USA)
NN63PC1522 Alfa Laval Inc. (USA)
3N113PC1522 Alfa Laval Inc. (USA)
3N28-1PC1522 Alfa Laval Inc. (USA)
3N47ALT6PC1522 Alfa Laval Inc. (USA)
3N37PC1522 Alfa Laval Inc. (USA)
3N69PC1522 Alfa Laval Inc. (USA)
SG1773PC29B Alfa Laval Inc. (USA)
3N140PC21 Alfa Laval Inc. (USA)
3N224PC21 Alfa Laval Inc. (USA)
Related Parts
2915-00-090-4488INTERCHANGEABLE
FILLER UNIT,FUEL TANK
1152-2
6240-00-155-7874INTERCHANGEABLE
LAMP,INCANDESCENT
6S6/G-115V
5133-00-236-4075INTERCHANGEABLE
DRILL,TWIST
5815-00-392-7806INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-157271G1
4730-00-404-4866INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
11522
5136-00-580-7327INTERCHANGEABLE
TAP,THREAD CUTTING
4820-00-779-5760INTERCHANGEABLE
PARTS KIT,VALVE
3020-00-951-0684INTERCHANGEABLE
GEAR,DIAL
1152-2
6210-00-982-1594INTERCHANGEABLE
LIGHT,INDICATOR
5331-01-129-4997INTERCHANGEABLE
O-RING
11522
5330-01-225-0920INTERCHANGEABLE
GASKET
11522
4140-01-386-9821INTERCHANGEABLE
FAN,CENTRIFUGAL
1152-2

Frequently Asked Questions

What is NSN 5305-00-393-4504?

NSN 5305-00-393-4504 is a Screw,adjusting, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-393-4504?

NSN 5305-00-393-4504 has 44 cross-referenced part numbers: 3N30PC1522 (Alfa Laval Inc.), 3N196PC21 (Alfa Laval Inc.), 3N179PC21 (Alfa Laval Inc.), 3N48ALT6PC1522 (Alfa Laval Inc.), NN65PC1522 (Alfa Laval Inc.) and 39 more.

What NSN replaces 5305-00-393-4504?

There are 12 known substitutes for 5305-00-393-4504: 2915-00-090-4488, 6240-00-155-7874, 5133-00-236-4075 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3132491 PC 321?

Key specifications for 3132491 PC 321: General Characteristics Item Description: BRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-393-4504 still in active supply?

NSN 5305-00-393-4504 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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