PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31009Delay Line

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5999-00-773-2801 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-773-2801 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-773-2801. Primary manufacturer part number: 31009.
Features
  • Delay Line — FSC 5999
  • Segment Delay Time: 112.900 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT US
  • Individual Section Quantity: 1
  • Segment Delay Time: 196.300 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT US
  • Segment Delay Time: 158.700 MICROSECONDS NOMINAL SINGLE SECTION 4TH SEGMENT US
  • Operating Temp Range: +0.0 TO 75.0 CELSIUS DEGC
  • Mounting Facility Quantity: 12
  • Body Inside Diameter: 4.359 INCHES MINIMUM AND 4.437 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-773-2801, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 30 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-773-2801
Primary Part Number31009
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Segment Delay Time112.900 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT US
Individual Section Quantity1
Segment Delay Time196.300 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT US
Segment Delay Time158.700 MICROSECONDS NOMINAL SINGLE SECTION 4TH SEGMENT US
Operating Temp Range+0.0 TO 75.0 CELSIUS DEGC
Mounting Facility Quantity12
Body Inside Diameter4.359 INCHES MINIMUM AND 4.437 INCHES MAXIMUM IN
Delay Time Variation MethodTAPPED
Body Depth1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Terminal Type and Quantity10 WIRE HOOK
Segment Delay Time0.000 MICROSECONDS NOMINAL SINGLE SECTION 1ST SEGMENT US
Output Impedance Rating20.000 KILOHMS
Attenuation in Decibels22.000
Signal Delay MethodLUMPED CONSTANT
Input Impedance Rating20.000 KILOHMS
Mounting FacilityTHREADED HOLE(S)
Thread Size and Series/type Designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
Segment Quantity Per Section8 SINGLE SECTION
Segment Delay Time59.700 MICROSECONDS NOMINAL SINGLE SECTION 2ND SEGMENT US
Section Delay Time254.500 MICROSECONDS NOMINAL SINGLE SECTION US
Segment Delay Time244.600 MICROSECONDS NOMINAL SINGLE SECTION 7TH SEGMENT US
Thread Class2B
Segment Delay Time254.500 MICROSECONDS NOMINAL SINGLE SECTION 8TH SEGMENT US
Segment Delay Time225.100 MICROSECONDS NOMINAL SINGLE SECTION 6TH SEGMENT US
Body StyleROUND, OPEN, WIRE LUG
Body Diameter7.688 INCHES MINIMUM AND 7.781 INCHES MAXIMUM IN
Thread Pitch Diameters+0.2500 TO 0.2501 INCHES IN
Segment Delay Time112.900 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT US
Individual Section Quantity1
Segment Delay Time196.300 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT US
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
6240-00-011-5273 INTERCHANGEABLE
Lamp,incandescent
5325-00-057-2685 INTERCHANGEABLE
Ring,retaining
5910-00-241-1540170D009 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
3020-00-294-673331009 INTERCHANGEABLE
Pulley,groove
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5120-00-364-285331-009 INTERCHANGEABLE
Tape,fish
Ideal Industries, Inc.
1680-00-443-324931009 INTERCHANGEABLE
Lever,remote Control
Moog Inc
5940-00-549-882631009 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3110-00-690-1862529F001711 INTERCHANGEABLE
Bearing,ball,annular
L3 Technologies, Inc. Div L3 Keo
5305-00-716-8183181707 INTERCHANGEABLE
Screw,cap,hexagon Head
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5910-00-789-823313504000 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Simplex Inc
Cross-Reference Index
Part NumberManufacturer
31009 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6240-00-011-5273INTERCHANGEABLE
LAMP,INCANDESCENT
5325-00-057-2685INTERCHANGEABLE
RING,RETAINING
5910-00-241-1540INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
170D009
3020-00-294-6733INTERCHANGEABLE
PULLEY,GROOVE
31009
5120-00-364-2853INTERCHANGEABLE
TAPE,FISH
31-009
1680-00-443-3249INTERCHANGEABLE
LEVER,REMOTE CONTROL
31009
5940-00-549-8826INTERCHANGEABLE
TERMINAL,LUG
31009
3110-00-690-1862INTERCHANGEABLE
BEARING,BALL,ANNULAR
529F001711
5305-00-716-8183INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
181707
5910-00-789-8233INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
13504000
5935-01-032-5404INTERCHANGEABLE
ADAPTER,CONNECTOR
3460-01-318-0552INTERCHANGEABLE
WHEEL,POLISH-GRINDING

Frequently Asked Questions

What is NSN 5999-00-773-2801?

NSN 5999-00-773-2801 is a Delay Line, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-773-2801?

NSN 5999-00-773-2801 has 1 cross-referenced part number: 31009 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5999-00-773-2801?

There are 12 known substitutes for 5999-00-773-2801: 6240-00-011-5273, 5325-00-057-2685, 5910-00-241-1540 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31009?

Key specifications for 31009: Segment Delay Time: 112.900 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT US; Individual Section Quantity: 1; Segment Delay Time: 196.300 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT US; Segment Delay Time: 158.700 MICROSECONDS NOMINAL SINGLE SECTION 4TH SEGMENT US. 30 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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