PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4318Block,adjusting Screw

L & L Boiler Maintenance Inc · NSN 2990-00-536-2962 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-536-2962 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-536-2962. Primary manufacturer part number: 4318.
Features
  • Block,adjusting Screw — FSC 2990
  • General Characteristics Item Description: MATERIAL STEEL;0.844 IN.H;0.688 IN.HOLE DIA;0.312 IN.SQUARE IN
  • 4 verified cross-references
  • Primary manufacturer: L & L Boiler Maintenance Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Block,adjusting Screw, cataloged under National Stock Number 2990-00-536-2962, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is L & L Boiler Maintenance Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN2990-00-536-2962
Primary Part Number4318
Item NameBlock,adjusting Screw
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerL & L Boiler Maintenance Inc
StatusACTIVE
General Characteristics Item DescriptionMATERIAL STEEL;0.844 IN.H;0.688 IN.HOLE DIA;0.312 IN.SQUARE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-018-2881 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
9330-00-052-47327000123395 INTERCHANGEABLE
Plastic Strip,pressure Sensitive
3m Company
5305-00-068-92034318 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
3110-00-144-9004060-11 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
7510-00-148-72757000048516 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
3110-00-156-1778 INTERCHANGEABLE
Bearing,ball,thrust
3110-00-156-1796 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-222-14044318 INTERCHANGEABLE
Clamp,screw,quick Adjusting
Adjustable Clamp Co
9330-00-242-6232 INTERCHANGEABLE
Plastic Strip,pressure Sensitive
5330-00-291-57374004318-4 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
Cross-Reference Index
Part NumberManufacturer
4318 PRIMARY L & L Boiler Maintenance Inc (USA)
TC301-3 Wisconsin Motors, Llc (USA)
4318 D & J Parts Inc (USA)
JHP33-147 Hollingsworth John R Co (USA)
Related Parts
6680-00-018-2881INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
9330-00-052-4732INTERCHANGEABLE
PLASTIC STRIP,PRESSURE SENSITIVE
7000123395
5305-00-068-9203INTERCHANGEABLE
SCREW,SHOULDER
4318
3110-00-144-9004INTERCHANGEABLE
BEARING,BALL,ANNULAR
060-11
7510-00-148-7275INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7000048516
3110-00-156-1778INTERCHANGEABLE
BEARING,BALL,THRUST
3110-00-156-1796INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-222-1404INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
4318
9330-00-242-6232INTERCHANGEABLE
PLASTIC STRIP,PRESSURE SENSITIVE
5330-00-291-5737INTERCHANGEABLE
GASKET
4004318-4
5130-00-496-6720INTERCHANGEABLE
FOOT
4318
5950-01-104-1505INTERCHANGEABLE
COIL,ELECTRICAL
654E4693-805

Frequently Asked Questions

What is NSN 2990-00-536-2962?

NSN 2990-00-536-2962 is a Block,adjusting Screw, manufactured by L & L Boiler Maintenance Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-536-2962?

NSN 2990-00-536-2962 has 4 cross-referenced part numbers: 4318 (L & L Boiler Maintenance Inc), TC301-3 (Wisconsin Motors, Llc), 4318 (D & J Parts Inc), JHP33-147 (Hollingsworth John R Co).

What NSN replaces 2990-00-536-2962?

There are 12 known substitutes for 2990-00-536-2962: 6680-00-018-2881, 9330-00-052-4732, 5305-00-068-9203 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4318?

Key specifications for 4318: End Item Identification: TELEDYNE INC,ENGINE MODEL BKN; General Characteristics Item Description: MATERIAL STEEL;0.844 IN.H;0.688 IN.HOLE DIA;0.312 IN.SQUARE IN. 2 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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