Acquisition method (AMC)
3
FSC 4730 × NUT,TUBE COUPLING
NUT,TUBE COUPLING
4730-00-037-3100 FSC 4730
NSN 4730-00-037-3100 (also written 4730000373100; NIIN 00-037-3100) is a nut, tube coupling in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| FABRICATION METHOD AARN | FORGED |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.421 |
| LARGEST OUTSIDE DIAMETER AGWM | INCHES NOMINAL 0.625 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.691 |
| LENGTH TO SHOULDER BRQL | INCHES NOMINAL 0.280 |
| SMALLEST INSIDE DIAMETER BSPX | INCHES NOMINAL 0.531 |
| THREAD SERIES BZRR | UNF |
| THREAD QUANTITY PER INCH CMLP | 20 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.500 |
| NOMINAL TUBE OUTSIDE DIAMETER CQRJ | INCHES 0.344 |
| SEAT ANGLE CRRB | DEGREES NOMINAL 45.00 |
| MATERIAL MATT | OVERALL STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD ALL MATERIAL RESPONSES A-S 5640 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
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 |
|---|---|---|
| 189331 | 06848 | HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) |
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
—
Oct 8, 2026
Last purchased
1 · 1.0/yr
Purchase records
$594.00
Total demand
$594.00
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 |
|---|---|---|---|---|
| Oct 8, 2026 | SPE4A527P0523 ↗ | PRIDE ELECTRONICS INC | — | $594.00 |
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
PRIDE ELECTRONICS INC
last award Oct 2026
HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR)
no award yet
no awards on record
Listed source PRIDE ELECTRONICS INC won the only award on record. PRIDE ELECTRONICS INC 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,TUBE COUPLING." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-037-3100/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-037-3100/