PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16817Block,support

Naval Electronic Systems Security Engineering Center · NSN 5815-01-010-8571 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-01-010-8571 — this item is cataloged by the U.S. Government under National Stock Number 5815-01-010-8571. Primary manufacturer part number: 16817.
Features
  • Block,support — FSC 5815
  • General Characteristics Item Description: MATL CRES QQ-S-763,CLASS 304,COND A,RECTANGULAR SHAPE,O/A DIM. 1.350 IN. LG,0.500 IN. W,0.250 IN THK,TWO 0.164-32 UNC-2B THD HOLES SPACED 0.375 IN. C TO C,LOCATED 0.200 IN. ALONG LG,0.260 IN. ALONG W,0.156 IN. BY 45 DEG CHAMFER ON ONE END,PASSIVATE QQ-P-35 TYPE II FINISH IN
  • 1 verified cross-reference
  • Primary manufacturer: Naval Electronic Systems Security Engineering Center
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,support, cataloged under National Stock Number 5815-01-010-8571, is classified within Federal Supply Class 5815 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5815-01-010-8571
Primary Part Number16817
Item NameBlock,support
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
General Characteristics Item DescriptionMATL CRES QQ-S-763,CLASS 304,COND A,RECTANGULAR SHAPE,O/A DIM. 1.350 IN. LG,0.500 IN. W,0.250 IN THK,TWO 0.164-32 UNC-2B THD HOLES SPACED 0.375 IN. C TO C,LOCATED 0.200 IN. ALONG LG,0.260 IN. ALONG W,0.156 IN. BY 45 DEG CHAMFER ON ONE END,PASSIVATE QQ-P-35 TYPE II FINISH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4520-00-101-8306SK360 INTERCHANGEABLE
Heating Element,electrical,nonim
Cox & Company, Inc. Dba Cox & Co Inc
5305-00-225-9093MS90726-38 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
8040-01-041-9877 INTERCHANGEABLE
Adhesive
8040-01-111-267316817 INTERCHANGEABLE
Adhesive
Astronautics Corporation of America
5945-01-142-10534N-3890 INTERCHANGEABLE
Solenoid,electrical
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
16817 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
4520-00-101-8306INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
SK360
5305-00-225-9093INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90726-38
8040-01-041-9877INTERCHANGEABLE
ADHESIVE
8040-01-111-2673INTERCHANGEABLE
ADHESIVE
16817
5945-01-142-1053INTERCHANGEABLE
SOLENOID,ELECTRICAL
4N-3890

Frequently Asked Questions

What is NSN 5815-01-010-8571?

NSN 5815-01-010-8571 is a Block,support, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-01-010-8571?

NSN 5815-01-010-8571 has 1 cross-referenced part number: 16817 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5815-01-010-8571?

There are 5 known substitutes for 5815-01-010-8571: 4520-00-101-8306, 5305-00-225-9093, 8040-01-041-9877 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16817?

Key specifications for 16817: General Characteristics Item Description: MATL CRES QQ-S-763,CLASS 304,COND A,RECTANGULAR SHAPE,O/A DIM. 1.350 IN. LG,0.500 IN. W,0.250 IN THK,TWO 0.164-32 UNC-2B THD HOLES SPACED 0.375 IN. C TO C,LOCATED 0.200 IN. ALONG LG,0.260 IN. ALONG W,0.156 IN. BY 45 DEG CHAMFER ON ONE END,PASSIVATE QQ-P-35 TYPE II FINISH IN. 1 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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