PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40275Delay Line

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5999-00-078-3248 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-078-3248 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-078-3248. Primary manufacturer part number: 40275.
Features
  • Delay Line — FSC 5999
  • Input Impedance Rating: 15.000 KILOHMS
  • Output Impedance Rating: 15.000 KILOHMS
  • Thread Size and Series/type Designator: 0.164-32 UNIFIED NATIONAL COARSE (UNC)
  • Body Depth: 1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 4
  • Body Style: ROUND, OPEN, WIRE LUG
  • Individual Section Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-078-3248, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-078-3248
Primary Part Number40275
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Input Impedance Rating15.000 KILOHMS
Output Impedance Rating15.000 KILOHMS
Thread Size and Series/type Designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
Body Depth1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Mounting Facility Quantity4
Body StyleROUND, OPEN, WIRE LUG
Individual Section Quantity1
Section Delay Time71.200 MICROSECONDS NOMINAL SINGLE SECTION US
Segment Delay Time0.000 MICROSECONDS NOMINAL SINGLE SECTION 1ST SEGMENT AND 16.900 MICROSECONDS NOMINAL SINGLE SECTION 2ND SEGMENT AND 31.600 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT AND 44.400 MICROSECONDS NOMINAL SINGLE SECTION 4TH SEGMENT AND 55.000 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT AND 63.000 MICROSECONDS NOMINAL SINGLE SECTION 6TH SEGMENT AND 68.500 MICROSECONDS NOMINAL SINGLE SECTION 7TH SEGMENT AND 71.200 MICROSECONDS NOMINAL SINGLE SECTION 8TH SEGMENT US
Body Inside Diameter4.375 INCHES MINIMUM AND 4.468 INCHES MAXIMUM IN
Body Diameter7.750 INCHES MINIMUM AND 7.843 INCHES MAXIMUM IN
Segment Quantity Per Section8 SINGLE SECTION
Mounting FacilityUNTHREADED HOLE(S)
Input Impedance Rating15.000 KILOHMS
Output Impedance Rating15.000 KILOHMS
Thread Size and Series/type Designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
Body Depth1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Mounting Facility Quantity4
Body StyleROUND, OPEN, WIRE LUG
Individual Section Quantity1
Section Delay Time71.200 MICROSECONDS NOMINAL SINGLE SECTION US
Segment Delay Time0.000 MICROSECONDS NOMINAL SINGLE SECTION 1ST SEGMENT AND 16.900 MICROSECONDS NOMINAL SINGLE SECTION 2ND SEGMENT AND 31.600 MICROSECONDS NOMINAL SINGLE SECTION 3RD SEGMENT AND 44.400 MICROSECONDS NOMINAL SINGLE SECTION 4TH SEGMENT AND 55.000 MICROSECONDS NOMINAL SINGLE SECTION 5TH SEGMENT AND 63.000 MICROSECONDS NOMINAL SINGLE SECTION 6TH SEGMENT AND 68.500 MICROSECONDS NOMINAL SINGLE SECTION 7TH SEGMENT AND 71.200 MICROSECONDS NOMINAL SINGLE SECTION 8TH SEGMENT US
Body Inside Diameter4.375 INCHES MINIMUM AND 4.468 INCHES MAXIMUM IN
Body Diameter7.750 INCHES MINIMUM AND 7.843 INCHES MAXIMUM IN
Segment Quantity Per Section8 SINGLE SECTION
Mounting FacilityUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0150 lbs
Cube0.0012 cu ft
Verified Substitutes 6
5950-00-878-6848SMC523343 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-01-135-3311 INTERCHANGEABLE
Trap,steam
5315-01-149-8217 INTERCHANGEABLE
Pin
5895-01-252-244840-275 INTERCHANGEABLE
Control-Indicator
L3 Technologies, Inc.
3040-01-492-906640275 INTERCHANGEABLE
Damper,inertia
Moog Inc. Dba Ampac-Isp Corp
5895-01-554-531340275 INTERCHANGEABLE
Divider,power,radio Frequency
Anaren, Inc. Div Anaren Microwave Inc
Cross-Reference Index
Part NumberManufacturer
40275REVF L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
40275 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5950-00-878-6848INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SMC523343
4730-01-135-3311INTERCHANGEABLE
TRAP,STEAM
5315-01-149-8217INTERCHANGEABLE
PIN
5895-01-252-2448INTERCHANGEABLE
CONTROL-INDICATOR
40-275
3040-01-492-9066INTERCHANGEABLE
DAMPER,INERTIA
40275
5895-01-554-5313INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
40275

Frequently Asked Questions

What is NSN 5999-00-078-3248?

NSN 5999-00-078-3248 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 5999-00-078-3248?

NSN 5999-00-078-3248 has 2 cross-referenced part numbers: 40275REVF (L3harris Technologies, Inc. Div Space and Airborne Systems), 40275 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5999-00-078-3248?

There are 6 known substitutes for 5999-00-078-3248: 5950-00-878-6848, 4730-01-135-3311, 5315-01-149-8217 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40275?

Key specifications for 40275: Input Impedance Rating: 15.000 KILOHMS; Output Impedance Rating: 15.000 KILOHMS; Thread Size and Series/type Designator: 0.164-32 UNIFIED NATIONAL COARSE (UNC); Body Depth: 1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN. 26 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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