Acquisition method (AMC)
1
FSC 5985 × FLANGE,WAVEGUIDE
FLANGE,WAVEGUIDE
5985-01-178-0273 FSC 5985
NSN 5985-01-178-0273 (also written 5985011780273; NIIN 01-178-0273) is a flange, waveguide in Federal Supply Class 5985, Antennas, Waveguides, and Related Equipment. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| THREAD CLASS AAJD | 2B |
| THREAD DIRECTION AAJF | SINGLE FLANGE FIRST CONNECTION FACILITY RIGHT-HAND |
| END ITEM IDENTIFICATION AGAV | RADAR SET,AN/TPS-43E |
| FLANGE INSIDE WIDTH AHSX | SINGLE FLANGE INCHES NOMINAL 4.240 |
| FLANGE INSIDE HEIGHT AHSY | SINGLE FLANGE INCHES NOMINAL 4.240 |
| FLANGE OUTSIDE DIAMETER AHTC | SINGLE FLANGE INCHES NOMINAL 5.820 |
| FLANGE DEPTH AHTD | SINGLE FLANGE INCHES NOMINAL 0.500 |
| FLANGE CONNECTING HOLE DIAMETER AHTN | SINGLE FLANGE SECOND CONNECTION FACILITY INCHES NOMINAL 0.136 |
| NOMINAL THREAD SIZE CQJX | SINGLE FLANGE FIRST CONNECTION FACILITY INCHES 0.201 |
| FLANGE CONNECTING FACILITY AND QUANTITY CSQT | SINGLE FLANGE SECOND CONNECTION FACILITY UNTHREADED HOLE(S) 6 |
| FLANGE CONNECTING FACILITY AND QUANTITY CSQT | SINGLE FLANGE FIRST CONNECTION FACILITY THREADED HOLE(S) 8 |
| FLANGE STYLE CTCJ | — |
| SPECIAL FEATURES FEAT | FLANGE SPLIT IN TWO HALVES |
| MATERIAL MATT | SINGLE FLANGE STEEL |
| THREAD SERIES DESIGNATOR THSD | SINGLE FLANGE FIRST CONNECTION FACILITY UNIFIED NATIONAL COARSE (UNC) |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 134C974H01 | 21856 | CENTROID, INC. DBA CENTROID INC |
| 134C974H01 | 28156 | 3M COMPANY DIV HEALTH CARE BUSINESS |
| 134C974H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP |
| 134C974H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP |
| 225978 | 54647 | MICROTECH INC DBA MICROTECH INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Sep 3, 2026
Last purchased
1 · 1.0/yr
Purchase records
$500.00
Total demand
$500.00
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 3, 2026 | SPE7M526P3366 ↗ | FDH DEFENSE AFTERMARKET, LLC | — | $500.00 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
FDH DEFENSE AFTERMARKET, LLC
last award Sep 2026
3M COMPANY DIV HEALTH CARE BUSINESS
no award yet
no awards on record
Listed source CENTROID, INC. DBA CENTROID INC
no award yet
no awards on record
Listed source MICROTECH INC DBA MICROTECH INC
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SUPPORT SERVICES CORP
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP
no award yet
no awards on record
Listed source FDH DEFENSE AFTERMARKET, LLC won the only award on record. FDH DEFENSE AFTERMARKET, LLC won without being a listed source.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-25.
- Full methodology →
Cite this page
Citation
NSN Explorer. "FLANGE,WAVEGUIDE." nsnexplorer.com, https://nsnexplorer.com/nsn/5985-01-178-0273/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5985-01-178-0273/