PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

AA2635Knob

Comtec Information Systems Inc Digitronics Div · NSN 5355-00-878-0088 · FSC 5355 · No Item Name Available

Verified by PartsTable

NSN 5355-00-878-0088 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-878-0088. Primary manufacturer part number: AA2635.

5355-00-878-0088 — No Item Name Available illustration

Features

Knob — FSC 5355
Setscrew Hole Quantity: 1
Outside Diameter: 0.375 INCHES NOMINAL IN
Screw Drive Type: HEXAGON SOCKET
Nominal Thread Size: 0.138 INCHES SCREW HOLE IN
Attachment Method: SETSCREWS
Overall Thickness: 1.375 INCHES NOMINAL IN
Color: CLEAR

Applications

Applications requiring Aluminum Alloy 2024 construction

General Description

The Knob, cataloged under National Stock Number 5355-00-878-0088, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Comtec Information Systems Inc Digitronics Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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

Parameter	Value
NSN	5355-00-878-0088
Primary Part Number	AA2635
Item Name	Knob
FSC / FSG	5355 / 53 — No Item Name Available
Manufacturer	Comtec Information Systems Inc Digitronics Div
Status	ACTIVE
Setscrew Hole Quantity	1
Outside Diameter	0.375 INCHES NOMINAL IN
Screw Drive Type	HEXAGON SOCKET
Nominal Thread Size	0.138 INCHES SCREW HOLE IN
Attachment Method	SETSCREWS
Overall Thickness	1.375 INCHES NOMINAL IN
Color	CLEAR
Thread Quantity Per Inch	32 SCREW HOLE
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Distance From Hole Center to Knob/skirt Base	0.188 INCHES NOMINAL IN
Inside Diameter	0.187 INCHES NOMINAL IN
Material	ALUMINUM ALLOY 2024
Gripping Surface Condition	SMOOTH
Style Designator	ACORN (DOME)
Shaft Accommodation Style	ROUND

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

5120-00-009-8602ANS1912A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-00-104-40765120-00-104-4076 INTERCHANGEABLE

Socket,socket Wrench

General Services Administration Federal Supply Service

5120-01-089-9067ANS1918A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-090-9319ANS1914A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-106-0085ANS1902A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-144-5321ANS1909A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-144-53225P3540 INTERCHANGEABLE

Socket,socket Wrench

Caterpillar Inc Div Caterpillar Defense

5120-01-144-5323ANS1911A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-144-5324ANS1913A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

5120-01-144-5325ANS1916A INTERCHANGEABLE

Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

Cross-Reference Index

Part Number	Manufacturer
AA2635	Comtec Information Systems Inc Digitronics Div (USA)
AA2635	Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
AA32635	Comtec Information Systems Inc Digitronics Div (USA)

Related Parts

5120-00-009-8602INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1912A

5120-00-104-4076INTERCHANGEABLE

SOCKET,SOCKET WRENCH

5120-00-104-4076

5120-01-089-9067INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1918A

5120-01-090-9319INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1914A

5120-01-106-0085INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1902A

5120-01-144-5321INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1909A

5120-01-144-5322INTERCHANGEABLE

SOCKET,SOCKET WRENCH

5P3540

5120-01-144-5323INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1911A

5120-01-144-5324INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1913A

5120-01-144-5325INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1916A

5120-01-144-5326INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1917A

5120-01-144-5327INTERCHANGEABLE

SOCKET,SOCKET WRENCH

ANS1904A

Frequently Asked Questions

What is NSN 5355-00-878-0088?

NSN 5355-00-878-0088 is a Knob, manufactured by Comtec Information Systems Inc Digitronics Div, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-878-0088?

NSN 5355-00-878-0088 has 3 cross-referenced part numbers: AA2635 (Comtec Information Systems Inc Digitronics Div), AA2635 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), AA32635 (Comtec Information Systems Inc Digitronics Div).

What NSN replaces 5355-00-878-0088?

There are 12 known substitutes for 5355-00-878-0088: 5120-00-009-8602, 5120-00-104-4076, 5120-01-089-9067 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA2635?

Key specifications for AA2635: Setscrew Hole Quantity: 1; Outside Diameter: 0.375 INCHES NOMINAL IN; Screw Drive Type: HEXAGON SOCKET; Nominal Thread Size: 0.138 INCHES SCREW HOLE IN. 16 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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