PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18551Nut,plain,rectangular

Cec Vibration Products, Llc Dba Cec Vibrations Products · NSN 5310-00-687-7578 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-687-7578 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-687-7578. Primary manufacturer part number: 18551.
Features
  • Nut,plain,rectangular — FSC 5310
  • Nut Width: 0.156 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Nut Style: PLAIN, RECTANGULAR
  • Nominal Thread Size: 0.086 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 56
  • Material Document and Classification: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 304 or Steel Comp 316 Overall construction
General Description

The Nut,plain,rectangular, cataloged under National Stock Number 5310-00-687-7578, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cec Vibration Products, Llc Dba Cec Vibrations Products. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-687-7578
Primary Part Number18551
Item NameNut,plain,rectangular
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCec Vibration Products, Llc Dba Cec Vibrations Products
StatusACTIVE
Nut Width0.156 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nut StylePLAIN, RECTANGULAR
Nominal Thread Size0.086 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch56
Material Document and ClassificationMIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Thread DirectionRIGHT-HAND
Thread Class2B
Nut Length0.188 INCHES NOMINAL IN
Nut Height0.050 INCHES NOMINAL IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5307-00-437-4763 INTERCHANGEABLE
Stud,receiver,cartr
6145-00-643-0653 INTERCHANGEABLE
Wire,electrical
2805-00-776-815311-415 INTERCHANGEABLE
Valve,poppet,engine
Thermo King Corporation Dba Phoenix Global Distirbution.
6685-01-090-2585 INTERCHANGEABLE
Adapter,thermocouple
5306-01-214-013418551 INTERCHANGEABLE
Bolt
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
4130-01-459-2414800-48TP480V INTERCHANGEABLE
Vacu-Disc
Dcm Clean Air Products, Inc.
5995-01-613-634218551 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Silver Eagle Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
18551 Sypris Electronics, Llc (USA)
18551 PRIMARY Cec Vibration Products, Llc Dba Cec Vibrations Products (USA)
Related Parts
5307-00-437-4763INTERCHANGEABLE
STUD,RECEIVER,CARTR
6145-00-643-0653INTERCHANGEABLE
WIRE,ELECTRICAL
2805-00-776-8153INTERCHANGEABLE
VALVE,POPPET,ENGINE
11-415
6685-01-090-2585INTERCHANGEABLE
ADAPTER,THERMOCOUPLE
5306-01-214-0134INTERCHANGEABLE
BOLT
18551
4130-01-459-2414INTERCHANGEABLE
VACU-DISC
800-48TP480V
5995-01-613-6342INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
18551

Frequently Asked Questions

What is NSN 5310-00-687-7578?

NSN 5310-00-687-7578 is a Nut,plain,rectangular, manufactured by Cec Vibration Products, Llc Dba Cec Vibrations Products, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-687-7578?

NSN 5310-00-687-7578 has 2 cross-referenced part numbers: 18551 (Sypris Electronics, Llc), 18551 (Cec Vibration Products, Llc Dba Cec Vibrations Products).

What NSN replaces 5310-00-687-7578?

There are 7 known substitutes for 5310-00-687-7578: 5307-00-437-4763, 6145-00-643-0653, 2805-00-776-8153 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18551?

Key specifications for 18551: Nut Width: 0.156 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL; Nut Style: PLAIN, RECTANGULAR; Nominal Thread Size: 0.086 INCHES IN. 12 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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